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Dachuan Vectran 400Dr fiber fabrics
UHMWPE
Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) is a subset of the thermoplastic polyethylene. Also known as high-modulus polyethylene, (HMPE), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million amu.The longer chain serves to transfer load more effectively to the polymer backbone by strengthening intermolecular interactions. This results in a very tough material, with the highest impact strength of any thermoplastic presently made.
UHMWPE is odorless, tasteless, and nontoxic.It embodies all the characteristics of high-density polyethylene (HDPE) with the added traits of being resistant to concentrated acids and alkalis, as well as numerous organic solvents.It is highly resistant to corrosive chemicals except oxidizing acids; has extremely low moisture absorption and a very low coefficient of friction; is self-lubricating (see boundary lubrication); and is highly resistant to abrasion, in some forms being 15 times more resistant to abrasion than carbon steel. Its coefficient of friction is significantly lower than that of nylon and acetal and is comparable to that of polytetrafluoroethylene (PTFE, Teflon), but UHMWPE has better abrasion resistance than PTFE.Ultra High Molecular Weight Polyethylene Fiber.
Ultra High Molecular Weight Polyethylene Fiber has higher elastic modulus, tensile strength and anti-UV properties,anti-high temperature and cold performance than polypropylene fiber, As cement concrete and asphalt concrete ribs, it can significantly increase the concrete tensile strength, anti-fatigue strength and anti-flexural strength, significantly improving the crack resistance of concrete at early age.
1. High specific strength and high specific modulus. The specific strength is more than ten times that of the steel wire with the same section, and the specific modulus is second only to the super grade carbon fiber.
2. The fiber density is low, the density is 0.97-0.98g/cm3, and it can float on the water surface.
3. Low breaking elongation, large breaking work, strong energy absorption capacity, and therefore outstanding impact resistance and cutting resistance.
4. UV radiation resistance, neutron and γ X-ray, high specific energy absorption, low dielectric constant and high electromagnetic wave transmittance.
5. Chemical corrosion resistance, wear resistance and long bending life.
Dachuan Vectran 400Dr fiber fabrics
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Contacts
contact person : Jason Wang
phone :0086-156 6676 7661(whatapp)
email: jason(at)dcmaterial.com