Product Description
Chain Extender for PBAT
Application Performance:
BTCE chain extender series are polymeric epoxy functionalized chain extender. It can be applied to PBAT[ poly(butyleneadipate-co-terephthalate)], PLA(polylactic acid), PPC(polypropylene carbonate), PBS[Poly(butylene succinate)], PHAs(polyhydroxyalkanoates) and other bio based and bio-degradable plastic, as well as PET(polyethylene terephthalate), PBT(poly butylene terephthalate), PA(polyamide), PC(polycarbonate) and other condensation recyclable plastic for chain extending and viscosity increasing. This series chain extender are easy to adhere to the feeding port and affect the processing stability. However, BTCE-9013 has no problem above. Instead, BTCE-9013 has advantages of stable processing process, low ring opening temperature of epoxy group and high chain expansion efficiency. The suggested usage is 0.2-1.5 phr with PBAT, PLA, PPC, PBS, PHAs, PET, PBT, PA, PC. The specific dosage depends on the number of active functional groups in the resin and product performance requirements.
| CAS No.: | 2902500000 |
|---|---|
| Environmental Protection: | Yes |
| Color: | White |
| Kind: | Chain Extender |
| Appearance: | Powder |
| Transport Package: | PE Bag |
| Samples: |
US$ 25/kg
1 kg(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What to look for in a roller chain
There are many different factors to consider when purchasing a roller chain. One of the most important factors is tensile strength, which represents the force required to break the chain. Roller chains are available in three different tensile strengths: minimum, average and ultimate. Each strength reflects a different limit to the load the chain can handle. However, these limits are not always equal and you should be aware of the differences between roller chains.
Canonical chain
Most roller chains have standard sizes printed on the side panels. This is usually “40” or “C2080H”, but can also be the letter “B”. If the chain is old, it will need to be cleaned to see its size. You can find the size on the standard roller chain size chart, but not everyone is marked. To determine the size, measure the diameter and pitch of the chain, then compare the results to the chart to see what size you need.
Heavy-duty roller chains are available with heat-treated pins, side plates, and rollers. In addition to being heat treated, they are also factory pre-stretched, which reduces wear on these parts. If properly maintained, they can last for years, reducing the risk of failure or corrosion. Depending on the application, standard roller chains are available in different sizes. It can be purchased separately. There are several options to choose from, depending on the size and strength of the application.
PEER roller chains contain solid rollers to reduce shock loads on the sprocket teeth. Heat treating and preloading all components of the PEER chain helps minimize initial elongation. Hot-dip lubrication ensures complete lubrication of all chain components, extending their life and reducing maintenance costs. For heavy-duty applications, ASME/ANSI-B29.1 chain is a good choice.
Standard roller chains are made of steel or alloy steel. However, it can be made of other materials such as stainless steel. In addition to steel, stainless steel is often used in food processing machinery where chain lubrication is an issue. Brass and nylon are also sometimes used. However, they are not that popular. Therefore, you should always check with your supplier before purchasing. By comparing the tensile strength of two different chains and making an informed decision, you can get the best price and service.
Chain without bushing
Bushless roller chains have advantages over conventional roller chains. Unlike conventional chains, bushless chains have extensive lateral flexibility, which increases the chain’s lubrication flow. The inner plates of bushless chains have protruding shoulders so the oil can flow through them more easily and efficiently. This is an important characteristic of a smooth-running chain. Additionally, bushless chains may have improved shifting performance.
The strength of a bushingless roller chain is measured in terms of tensile strength and fatigue strength. The former measures the load a chain can withstand before breaking. Fatigue strength is equally important, and factors that affect fatigue strength include the steel used to make the chain components, the pitch hole fabrication, the type of shot peening on the chain, and the design and thickness of the chain. For example, if the chain is too thin, it may not be enough for heavy-duty applications.
Like traditional roller chains, bushingless roller chains have two different types of links. The inner link has two inner plates connected by pins, while the outer chain has two outer plates held together by bushings. A bushingless roller chain is similar to a traditional chain, except it eliminates a step in the assembly process by stamping the tube into the inner plate. So if you want a smoother ride, a bushingless roller chain is a better choice.
There are two different sizes of bushingless roller chains. One size is designed for use with standard single-strand chains, while the other size is designed for use with double-strand or triple-strand chains. Bushless chains are generally shorter than conventional chains, so they can fit in tighter spaces. Bushless chains are made of the highest quality materials. These chain attachments are case hardened for optimum strength and durability.
Mute chain
The silent roller chain has a smooth, low-noise drive. They are made of stacked rows of flat chainplates with a gear-like profile that meshes with the sprocket teeth. Each chainplate is attached to a corresponding sprocket, which also allows the chain to bend. While these basic components are the same for every silent roller chain, there are many variations that allow them to be used in a variety of applications.
The most popular high-speed transmission, silent chains feature gear-like sprockets. They can be made from single or multiple strands of material. Single-strand chains are less expensive than multi-strand chains, but they tend to wear out faster if not lubricated. Single-strand roller chains can be used for years without lubrication, but for your application, wide silent chains are still worth considering.
The design and construction of silent chains make them ideal for conveying a wide variety of products. They have flat, heat-resistant surfaces. They are also durable and non-slip. They are available in a variety of pitch sizes, widths, and mounting styles. Whether you need chains for general purpose conveyors or glass bottle transport applications, we have you covered. Ask about the benefits of silent roller chain conveyors.
Inverted tooth chains are another option for quieter chains. These chains are designed to reduce noise from engine-related friction. Silent chains are more common, and manufacturers have fallen in love with them. A silent chain consists of several links connected to the sprocket teeth. Teeth rotate to reduce noise, vibration, and chord action. These are the main reasons why silent chains are so popular.
ANSI chain pitch
To measure your bike’s chain pitch, you can use a caliper. This measurement is taken from the center of the rolling pin to the center of the next rolling pin. Chains come in many sizes, but ANSI is the most common chain standard in the United States. A caliper is handy if you’re not sure which size to buy, as it allows you to check for worn sprockets.
Chains that meet ANSI standards will be characterized by a certain pitch. This measurement is based on the width and spacing of the roll. The spacing is usually greater than the width. The standard number will be the right number for the width of the chain or the left number for the rollers. The number on the left indicates whether the chain is lightweight or heavyweight. Heavyweight chains are designated by the suffix “H”.
Common chain sizes are based on ANSI chain pitch. Pitch is the minimum distance between bushing and sprocket. The smaller the chain pitch, the greater the total distance between the two points. This means the chain will last longer. However, if you are buying a chain for a specific application, you should check the pitch carefully as it can affect the performance of the chain.
Roller chain wear measurement
The purpose of roller chain wear measurement is to prevent breakage by monitoring the strain on the chain. There are several ways to measure roller chain wear. The first is to remove the chain from its working position and measure the distance from the sprocket to its measuring end. Another way is to measure the pitch of the chain or the distance between two pins. This method is superior to other methods because it is convenient and accurate.
When measuring the wear of a roller chain, it is important to note that the elements of the chain will gradually deform. About 3.75% of the total wear will be on the pins and the rest will be on the internal links. These wear measurements will vary based on the nominal pitch of the chain and the amount of friction the chain is experiencing. Proper lubrication between pins and bushings, load and frequency of articulation all affect wear rates.
It is important to measure the amount of wear on the roller chain to avoid excessive machine failures. The longer the chain runs, the more wear it will wear. Although the length of the chain should be less than the center distance, the excessive load will cause premature wear. Therefore, lubrication is essential. Additionally, the sag of the chain should not exceed 2% to 4% of its center-to-center distance. Finally, check for unusual noise or visible defects. A common cause of excessive roller chain wear is the size of the load. Every chain manufacturer sets a maximum workload for its product.
There are several ways to measure roller chain wear. If using a high-speed drive, it should have at least 11 teeth, and a medium-speed drive should have at least 25 teeth. Also, be sure to check the length of the chain, even if you should. The same goes for the pin diameter, which should be the same or different pitch as the roller chain.
editor by CX 2023-05-18
China 5cm 2 inches White Gold 18K 14k Gold Filled Necklace Chain Tail End Extender ca550 roller chain
Model Variety: 1571-1
Jewelry Conclusions Sort: Chains
Duration: 2 inches
Color: 14k/18k gold/silver/white gold
Form: Extender
Marketed by: Pack
Packing: 100 pcs/batch
Packaging Particulars: First every product in 1 PP bag, then bubble wrapped, and outside the house carton
| Product Attributes | ||
| *Materials | gold loaded chain extender | |
| *Shade | 14K gold/18k gold/white gold /Silver | |
| *Length | 2 inches | |
| *Marketed By | 100 pcs/pack | |
What to look for in a roller chain
There are many different factors to consider when purchasing a roller chain. One of the most important factors is tensile strength, which represents the force required to break the chain. Roller chains are available in three different tensile strengths: minimum, average and ultimate. Each strength reflects a different limit to the load the chain can handle. However, these limits are not always equal and you should be aware of the differences between roller chains.
Canonical chain
Most roller chains have standard sizes printed on the side panels. This is usually “40” or “C2080H”, but can also be the letter “B”. If the chain is old, it will need to be cleaned to see its size. You can find the size on the standard roller chain size chart, but not everyone is marked. To determine the size, measure the diameter and pitch of the chain, then compare the results to the chart to see what size you need.
Heavy-duty roller chains are available with heat-treated pins, side plates, and rollers. In addition to being heat treated, they are also factory pre-stretched, which reduces wear on these parts. If properly maintained, they can last for years, reducing the risk of failure or corrosion. Depending on the application, standard roller chains are available in different sizes. It can be purchased separately. There are several options to choose from, depending on the size and strength of the application.
PEER roller chains contain solid rollers to reduce shock loads on the sprocket teeth. Heat treating and preloading all components of the PEER chain helps minimize initial elongation. Hot-dip lubrication ensures complete lubrication of all chain components, extending their life and reducing maintenance costs. For heavy-duty applications, ASME/ANSI-B29.1 chain is a good choice.
Standard roller chains are made of steel or alloy steel. However, it can be made of other materials such as stainless steel. In addition to steel, stainless steel is often used in food processing machinery where chain lubrication is an issue. Brass and nylon are also sometimes used. However, they are not that popular. Therefore, you should always check with your supplier before purchasing. By comparing the tensile strength of two different chains and making an informed decision, you can get the best price and service.
Chain without bushing
Bushless roller chains have advantages over conventional roller chains. Unlike conventional chains, bushless chains have extensive lateral flexibility, which increases the chain’s lubrication flow. The inner plates of bushless chains have protruding shoulders so the oil can flow through them more easily and efficiently. This is an important characteristic of a smooth-running chain. Additionally, bushless chains may have improved shifting performance.
The strength of a bushingless roller chain is measured in terms of tensile strength and fatigue strength. The former measures the load a chain can withstand before breaking. Fatigue strength is equally important, and factors that affect fatigue strength include the steel used to make the chain components, the pitch hole fabrication, the type of shot peening on the chain, and the design and thickness of the chain. For example, if the chain is too thin, it may not be enough for heavy-duty applications.
Like traditional roller chains, bushingless roller chains have two different types of links. The inner link has two inner plates connected by pins, while the outer chain has two outer plates held together by bushings. A bushingless roller chain is similar to a traditional chain, except it eliminates a step in the assembly process by stamping the tube into the inner plate. So if you want a smoother ride, a bushingless roller chain is a better choice.
There are two different sizes of bushingless roller chains. One size is designed for use with standard single-strand chains, while the other size is designed for use with double-strand or triple-strand chains. Bushless chains are generally shorter than conventional chains, so they can fit in tighter spaces. Bushless chains are made of the highest quality materials. These chain attachments are case hardened for optimum strength and durability.
Mute chain
The silent roller chain has a smooth, low-noise drive. They are made of stacked rows of flat chainplates with a gear-like profile that meshes with the sprocket teeth. Each chainplate is attached to a corresponding sprocket, which also allows the chain to bend. While these basic components are the same for every silent roller chain, there are many variations that allow them to be used in a variety of applications.
The most popular high-speed transmission, silent chains feature gear-like sprockets. They can be made from single or multiple strands of material. Single-strand chains are less expensive than multi-strand chains, but they tend to wear out faster if not lubricated. Single-strand roller chains can be used for years without lubrication, but for your application, wide silent chains are still worth considering.
The design and construction of silent chains make them ideal for conveying a wide variety of products. They have flat, heat-resistant surfaces. They are also durable and non-slip. They are available in a variety of pitch sizes, widths, and mounting styles. Whether you need chains for general purpose conveyors or glass bottle transport applications, we have you covered. Ask about the benefits of silent roller chain conveyors.
Inverted tooth chains are another option for quieter chains. These chains are designed to reduce noise from engine-related friction. Silent chains are more common, and manufacturers have fallen in love with them. A silent chain consists of several links connected to the sprocket teeth. Teeth rotate to reduce noise, vibration, and chord action. These are the main reasons why silent chains are so popular.
ANSI chain pitch
To measure your bike’s chain pitch, you can use a caliper. This measurement is taken from the center of the rolling pin to the center of the next rolling pin. Chains come in many sizes, but ANSI is the most common chain standard in the United States. A caliper is handy if you’re not sure which size to buy, as it allows you to check for worn sprockets.
Chains that meet ANSI standards will be characterized by a certain pitch. This measurement is based on the width and spacing of the roll. The spacing is usually greater than the width. The standard number will be the right number for the width of the chain or the left number for the rollers. The number on the left indicates whether the chain is lightweight or heavyweight. Heavyweight chains are designated by the suffix “H”.
Common chain sizes are based on ANSI chain pitch. Pitch is the minimum distance between bushing and sprocket. The smaller the chain pitch, the greater the total distance between the two points. This means the chain will last longer. However, if you are buying a chain for a specific application, you should check the pitch carefully as it can affect the performance of the chain.
Roller chain wear measurement
The purpose of roller chain wear measurement is to prevent breakage by monitoring the strain on the chain. There are several ways to measure roller chain wear. The first is to remove the chain from its working position and measure the distance from the sprocket to its measuring end. Another way is to measure the pitch of the chain or the distance between two pins. This method is superior to other methods because it is convenient and accurate.
When measuring the wear of a roller chain, it is important to note that the elements of the chain will gradually deform. About 3.75% of the total wear will be on the pins and the rest will be on the internal links. These wear measurements will vary based on the nominal pitch of the chain and the amount of friction the chain is experiencing. Proper lubrication between pins and bushings, load and frequency of articulation all affect wear rates.
It is important to measure the amount of wear on the roller chain to avoid excessive machine failures. The longer the chain runs, the more wear it will wear. Although the length of the chain should be less than the center distance, the excessive load will cause premature wear. Therefore, lubrication is essential. Additionally, the sag of the chain should not exceed 2% to 4% of its center-to-center distance. Finally, check for unusual noise or visible defects. A common cause of excessive roller chain wear is the size of the load. Every chain manufacturer sets a maximum workload for its product.
There are several ways to measure roller chain wear. If using a high-speed drive, it should have at least 11 teeth, and a medium-speed drive should have at least 25 teeth. Also, be sure to check the length of the chain, even if you should. The same goes for the pin diameter, which should be the same or different pitch as the roller chain.
editor by Cx 2023-05-05
China Coace W5d/Poe-G-Gma Toughening Agentused for PBT/Pet Enhanced Filling Polycarbonate Chain Extender bush chain exercise
Solution Description
W5D/POE-g-GMA Toughening AgentUsed for PBT/PET improved filling, low temperature toughening modification Affect Modifier
Merchandise Description
Product overview :
Characteristic:W5D is a graft polymer that contains glycidyl ester practical team, polyolefin elastomer as matrix substance, substantial reactivity and low residue.
Purposes:
| Item types | W5D |
| Melting index | 3-eight |
| Grafting rate | Large |
| density | .91g/cm³ |
| performance | Polyester, polycarbonate chain extender |
| Typical application(positive aspects) | Application: one. Compatibilizer for polyolefin and polyester alloys two. Utilized for PBT/PET improved filling, reduced temperature toughening modification |
| Utilized regions |
Observe: The earlier mentioned information are common take a look at values and should not be interpreted as a specification minimal .8wt%
Comparison parameters of different programs
Software circumstance 1
Functionality comparison of W5B and imported polyester tougheners in PBT toughening
| Bodily index | Unit | Testing method | eighty five%PBT+fifteen%W5B | Insert fifteen% imported polyester toughener |
| Tensile Strength | Mpa | D-638 | 38 | 38 |
| stretch price | % | D-638 | sixty | 67 |
| Bending toughness | Mpa | D-790 | 59 | fifty seven |
| Flexural modulus | Mpa | D-790 | 1447 | 1397 |
| Izod notched impact power | J/M | D-256 | 540 | 550 |
| Melt Index(235ºC/2.16kg) | g/10min | D-1238 | 10.forty four | 9.eighty two |
Application circumstance 2
Common information of W5B in PBT fiber
| Physical index | Unit | Screening approach | 70%PBT+30%GF | 65%PBT+5%W5B+thirty%GF |
| Tensile Power | Mpa | D-638 | one hundred twenty | 100 |
| Bending energy | Mpa | D-790 | one hundred seventy | one hundred sixty |
| Izod notched influence toughness | J/M | D-256 | ninety | a hundred and fifty |
Note: PBT ZheJiang HangZhou a hundred and ten -211 M GF Boulder 98 8 A
It can be seen from the earlier mentioned table that introducing 5% W5B can increase the notched affect power and protect other houses in the PBT fiber-included system. It demonstrates that W5B has outstanding processing functionality in the PBT fiber-additional system and can help the glass fiber to
disperse uniformly.
Software circumstance three
Normal Knowledge of W5B in PBT Flame Retardant Reinforcement
| Actual physical index | Unit | Screening technique | 56%+P1B4T%+3F0R%GF | fifty two%PBT++41%4%WF5RB+30%GF |
| Tensile Toughness | Mpa | D-638 | one hundred ten | 107 |
| Bending power | Mpa | D-790 | one hundred sixty five | one hundred sixty |
| Izod notched impact toughness | J/M | D-256 | sixty five | a hundred and fifty |
| Residual price | % | / | thirty.03 | thirty.89 |
| one/16 flame retardant | UL-94 | HB | V0 |
Notice: PBT ZheJiang HangZhou 110 -211 M GF Jushi 98 8 A Antimony trioxide Brominated epoxy
It can be witnessed from the above table that adding 4% W5B in the PBT flame retardant reinforcement program can boost the notched affect power and maintain other homes well. It displays that W5B has excellent processing overall performance in PBT flame retardant reinforcement method and can assist glass fiber and flame retardant to disperse uniformly.
Recommended dose: The dose (5-25%) may be improved or decreased correctly according to the toughness specifications and by using the expense into consideration.3-ten% shall be adopted for PA6/PA66 reinforcing and toughening, although 5% shall be adopted for the compatibilizer of nylon and polypropylene/polyethylene alloy.
4.Merchandise of the exact same collection
| model | Soften index 190ºC 2.16kg g/min |
Grafting ratio |
Density g/cm² |
Characteristic |
| W5A | three-eight | Substantial | .88 | high reactivity |
| W5A-two | 3-eight | Substantial | .88 | higher reactivity |
| W5AD | 3-8 | Large | .88 | Low residue, low odor |
| W5B | 3-eight | Higher | .ninety one | Polyester, polycarbonate chain extender |
| W5D | eight-sixteen | High | .ninety two | Cost-effective |
| W5F | ten-18 | Higher | .89 | High flow compatibilizer |
Note: The over data are common values examined and need to not be construed as specification Reduced .8 wt %
Packaging & Delivery
Packing and shipment
Packaging, storage and transportation: 20kg kraft bag with internal plastic bag. This merchandise shall be taken care of as non-harmful article and be saved or transported below dry problems, and sunlight and rain shall be prevented.Goods will be packing in kraft bag. as the amount you orderd and 20 baggage in 1 pallet. and then loading on track . and delivred on to container Usually will be shipment be sea in FOB. also we can do customized bundle as your requirment as well goods will be in typical package and cargo to your port safty.
Company Profile
Coace Chemical Business Restricted is situated in HangZhou Special Economic Zone, China. It is a nationwide large-tech company integrating R&D, production and income of polymer materials, specializing in R&D, generation, income and support of plastic compatibilizers and toughening brokers.
For more than ten several years, the organization has been adhering to the enterprise philosophy of “stable quality, refinement and globalization”, serving the industry, the manufacturing facility owns fifty,000 sq.-meter area and practically a hundred workers, such as twenty technical R&D staff, and is outfitted with 8 modern extruding-pellets techniques manufacturing lines, which guarantee the once-a-year ability of ten thousand metric tons. The goods protect compatibilizers, coupling brokers, effect modifiers, and other purposeful additives. and acquired ISO9001 high quality management certification, with an once-a-year production potential of twenty,000 tons.
Software screen & Create process
Laboratory & Equipment
Exhibition Present
FAQ
one Are you a manufacturer or a buying and selling business?
We are an integrated sector and trade organization found in HangZhou, with a specialist R&D team and sales team.
two Do you offer OEM/ODM companies?
Yes, we take OEM/ODM and OBM, and our specialist R&D crew will supply you with the ideal accessory remedies.
3 Do you give samples?
We can provide samples according to the items you require!
four What is your shipping time?
The supply time relies upon on your purchase amount. Our productive administration assists us make certain the shipping and delivery time, so we have the have faith in of our companions.
5 What payment methods do you acknowledge?
We acknowledge a variety of payment techniques, this sort of as trade assure, PayPal, credit history card, T/T, wire transfer and LC.
six What transportation techniques do you give?
By sea or or air. all count on oue customers
| Certification: | REACH |
|---|---|
| Environmental Protection: | Yes |
| Color: | Transparency |
| Kind: | Coupling Agent |
| Appearance: | Granulars |
| Transport Package: | Kraft Bag |
###
| Samples: |
US$ 10/kg
1 kg(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
| Product models | W5D |
| Melting index | 3-8 |
| Grafting rate | High |
| density | 0.91g/cm³ |
| performance | Polyester, polycarbonate chain extender |
| Typical application(advantages) | Application: 1. Compatibilizer for polyolefin and polyester alloys 2. Used for PBT/PET enhanced filling, low temperature toughening modification |
| Applied areas |
###
| Physical index | Unit | Testing method | 85%PBT+15%W5B | Add 15% imported polyester toughener |
| Tensile Strength | Mpa | D-638 | 38 | 38 |
| stretch rate | % | D-638 | 60 | 67 |
| Bending strength | Mpa | D-790 | 59 | 57 |
| Flexural modulus | Mpa | D-790 | 1447 | 1397 |
| Izod notched impact strength | J/M | D-256 | 540 | 550 |
| Melt Index(235ºC/2.16kg) | g/10min | D-1238 | 10.44 | 9.82 |
###
| Physical index | Unit | Testing method | 70%PBT+30%GF | 65%PBT+5%W5B+30%GF |
| Tensile Strength | Mpa | D-638 | 120 | 100 |
| Bending strength | Mpa | D-790 | 170 | 160 |
| Izod notched impact strength | J/M | D-256 | 90 | 150 |
###
| Physical index | Unit | Testing method | 56%+P1B4T%+3F0R%GF | 52%PBT++41%4%WF5RB+30%GF |
| Tensile Strength | Mpa | D-638 | 110 | 107 |
| Bending strength | Mpa | D-790 | 165 | 160 |
| Izod notched impact strength | J/M | D-256 | 65 | 150 |
| Residual rate | % | / | 30.03 | 30.89 |
| 1/16 flame retardant | UL-94 | HB | V0 |
###
| model | Melt index 190ºC 2.16kg g/min |
Grafting ratio |
Density g/cm² |
Characteristic |
| W5A | 3-8 | High | 0.88 | high reactivity |
| W5A-2 | 3-8 | High | 0.88 | high reactivity |
| W5AD | 3-8 | High | 0.88 | Low residue, low odor |
| W5B | 3-8 | High | 0.91 | Polyester, polycarbonate chain extender |
| W5D | 8-16 | High | 0.92 | Cost-effective |
| W5F | 10-18 | High | 0.89 | High flow compatibilizer |
| Certification: | REACH |
|---|---|
| Environmental Protection: | Yes |
| Color: | Transparency |
| Kind: | Coupling Agent |
| Appearance: | Granulars |
| Transport Package: | Kraft Bag |
###
| Samples: |
US$ 10/kg
1 kg(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
| Product models | W5D |
| Melting index | 3-8 |
| Grafting rate | High |
| density | 0.91g/cm³ |
| performance | Polyester, polycarbonate chain extender |
| Typical application(advantages) | Application: 1. Compatibilizer for polyolefin and polyester alloys 2. Used for PBT/PET enhanced filling, low temperature toughening modification |
| Applied areas |
###
| Physical index | Unit | Testing method | 85%PBT+15%W5B | Add 15% imported polyester toughener |
| Tensile Strength | Mpa | D-638 | 38 | 38 |
| stretch rate | % | D-638 | 60 | 67 |
| Bending strength | Mpa | D-790 | 59 | 57 |
| Flexural modulus | Mpa | D-790 | 1447 | 1397 |
| Izod notched impact strength | J/M | D-256 | 540 | 550 |
| Melt Index(235ºC/2.16kg) | g/10min | D-1238 | 10.44 | 9.82 |
###
| Physical index | Unit | Testing method | 70%PBT+30%GF | 65%PBT+5%W5B+30%GF |
| Tensile Strength | Mpa | D-638 | 120 | 100 |
| Bending strength | Mpa | D-790 | 170 | 160 |
| Izod notched impact strength | J/M | D-256 | 90 | 150 |
###
| Physical index | Unit | Testing method | 56%+P1B4T%+3F0R%GF | 52%PBT++41%4%WF5RB+30%GF |
| Tensile Strength | Mpa | D-638 | 110 | 107 |
| Bending strength | Mpa | D-790 | 165 | 160 |
| Izod notched impact strength | J/M | D-256 | 65 | 150 |
| Residual rate | % | / | 30.03 | 30.89 |
| 1/16 flame retardant | UL-94 | HB | V0 |
###
| model | Melt index 190ºC 2.16kg g/min |
Grafting ratio |
Density g/cm² |
Characteristic |
| W5A | 3-8 | High | 0.88 | high reactivity |
| W5A-2 | 3-8 | High | 0.88 | high reactivity |
| W5AD | 3-8 | High | 0.88 | Low residue, low odor |
| W5B | 3-8 | High | 0.91 | Polyester, polycarbonate chain extender |
| W5D | 8-16 | High | 0.92 | Cost-effective |
| W5F | 10-18 | High | 0.89 | High flow compatibilizer |
Advantages and disadvantages of roller chains
If you need to lift heavy objects, you should know how to use a roller chain. Its simple design and simplicity make it ideal for a wide range of applications. This article will discuss the advantages and different types of applications of roller chains. After reading this article, you will be able to choose the type of roller chain that best suits your specific needs. In the next section, we’ll discuss how to deal with it.
Put on
How to measure the wear of a roller chain? There are several methods available, but the most accurate is to use a wear gauge kit. The CZPT Chain Wear Indicator Kit measures chain elongation. Compliant with ANSI and British Standards, this tool is critical to the industry chain and can help you determine when replacement is required. Improper chain maintenance can cause equipment to slip or perform poorly, resulting in unnecessary downtime.
In addition to measuring the elongation of the roller chain, it is also possible to measure the pitch of the rollers. This measurement represents the ANSI #80 standard for roller chains. Vernier calipers can also be used to measure the pitch of chains. This tool is very useful and also acts as a bottle opener. You can even use it as a wear gauge. This way, you can determine if the roller chain needs to be replaced.
The wear resistance of a roller chain can extend its life by 10% or more. However, proper lubrication and general maintenance are essential to ensure the longest lifespan of your chain. The manufacturing process of a roller chain assembly also plays a crucial role in determining its service life. For longer life, you might consider purchasing a heavy-duty series roller chain with thicker side plates and longer pins. If you need greater working load capacity, you can also consider heavy-duty chains.
High-quality components are critical to the longevity of the roller chain. High-quality roller chain components require precise heat treatment processes. The use of proprietary steel allows the company to manufacture more durable drums. The pins are manufactured to tight tolerances and then undergo a centerless grinding process. This process removes any surface defects, resulting in a mirror finish on the pins. The uniformity of this surface finish also ensures that the load is evenly distributed on the pins, extending the life of the chain.
Material
Among the materials used in roller chains, carbon steel and alloy steel are the most common. However, stainless steel is used in food processing equipment and applications that require lubrication. Other materials used for roller chains include nylon and brass. For more information, see the USACE Material Specification Sheet for more information. You can also find information about the performance of a roller chain by its design. But before choosing one of these materials, consider its pros and cons.
Stainless steel is an excellent choice for roller chains. It is corrosion-resistant and can operate in extreme temperatures without cracking. Stainless steel is a non-magnetic material that can operate in a temperature range of -200 degrees to +700 degrees Fahrenheit. In addition to its corrosion-resistant properties, stainless steel can withstand a variety of environments and can be used in heavy-duty applications. The MEGA series is the strongest stainless steel roller chain in the world.
Application
As the name suggests, a roller chain has 5 basic components: pins, bushings, rollers, and pin chainplates. These components are precision engineered to ensure optimum performance and durability. Typical applications include drives and conveyor belts. The various components of the roller chain can be customized to specific needs. Read on to learn more about how these parts work together. This article presents the advantages and disadvantages of different types of roller chains and discusses their applications.
A roller chain is a form of chain drive consisting of short cylindrical rollers connected together by side links and gears called sprockets. While these devices are simple, they have some limitations. In most cases, sprockets must be designed with a maximum tensile load on one tooth to prevent premature chain failure. Therefore, these chains are less efficient than belt drives with higher inertia.
Roller chains are usually made of carbon or alloy steel, although stainless steel is often used where food processing machinery and lubrication are problematic. Sometimes, nylon and brass are used. The maximum running speed of the roller chain is important for some applications, but it also provides economic benefits for users and manufacturers. The maximum running speed of a roller chain is usually governed by a wear limit, which can vary by application.
The global roller chain market is expected to grow at a CAGR of over 5.4% over the next six years. The research report covers the competitive landscape and key factors influencing the market. The report also analyzes the growth potential, product utilization, and pricing models of key vendors. It also covers the SWOT analysis of the key players in the industry. The study provides a comprehensive market analysis of all these factors and more. It also highlights key players and their strategies and identifies the fastest growing regions for their products and services.
Maintain
Because rollers are exposed to a variety of environments, including snow, rain, and muddy roads, regular maintenance is required to prevent damage. Because they must encounter these elements frequently, frequent inspections are important to prevent rust and other damage. Also, avoid pouring acidic or alkaline cleaning products on the roller chain. Instead, use hot water with hand sanitizer or a disposable toothbrush to clean the rollers. Washing the chain directly with water has little effect.
For small rollers, the workload during the break-in period should not be too large, otherwise, it will cause overheating. The small drum should also be inspected frequently for any unusual appearance, which may indicate that the system is not functioning properly. In this case, the operation must be suspended. Failure to do so could result in serious injury or a facility fire. Additionally, a properly lubricated roller chain is essential to ensure long-term performance.
The surface of the roller is often rusted and scratched. Over time, these little scars can spread to the drive, damaging it. Also, the chain may not be properly spaced and timed. Therefore, it is very important to check regularly to ensure that the chain is in top condition. When the chain wears to 3% or more, the entire roller chain needs to be replaced. Failure to do so may damage the drive, the roller sprocket, or the entire chain.
Given the chain’s processing environment, lubrication is critical to its performance. If the chain is lubricated, it must be re-lubricated frequently. However, lubricated roller chains are susceptible to contamination, especially in the biomass industry. In these environments, airborne organic particles and debris from the biomass industry can contaminate lubricated roller chains. This is why maintenance is important for lubricating roller chains.
Preloading
The benefits of preloading roller chains are well documented. In general, preloading eliminates the initial elongation of the roller chain, increasing its service life. Preloading is an effective way to achieve this, and a preloading chart can help illustrate the benefits of this process. Chains with little or no preload will stretch significantly during drive start, while chains will stretch rapidly as the surface hardness of the wear parts increases. Additionally, a properly preloaded chain has little or no elongation during the initial start-up of the drive, extending wear life.
Premium manufacturers apply the preload concept during their production phase, aligning all major components at the same time. This approach helps eliminate elongation issues that lead to rapid degradation of the roller chain. If this is not checked, the chain drive will stretch immediately over time. To avoid these problems, it is important to purchase a high-quality preloaded roller chain from a reputable source.
The heat treatment process is an effective way to prevent excessive wear of the roller chain. Heat treatment is a complex process that takes place in a factory during manufacturing. This process helps the rollers maintain high hardness and depth, preventing breakage. When buying a roller chain, make sure that the chain is heat treated and that the chain is manufactured to a high degree of precision. It also ensures that the product can be used for a long time.
In addition to performance benefits, preloading can also reduce initial elongation. A preloaded roller chain will exhibit near linear elongation, whereas a non-preloaded chain will experience rapid elongation. Therefore, they will reach the recommended 3% elongation earlier. Make sure the chain is properly lubricated. Also, consider how the chain is arranged. This is critical for optimal longevity.
editor by czh 2023-01-17