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UHMW (Ultra High Molecular Weight Polyethylene) Round Rod, ASTM D4020-01, Natural

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Specifications for this item
Exterior Finish
Specification Met
ASTM D4020
Item Shape
Round Rod
Color Name
Material Type
UHMW (Ultra High Molecular Weight Polyethylene)
Backing Type
No Backing
Brand Name
Small Parts
System of Measurement

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Key Features

  • Low Coefficient of Friction
  • Very High Impact Strength
  • Excellent Abrasion Resistance
  • Self Lubricating
  • Highly Resistant to Corrosives

Product Description

Ultra high molecular weight polyethylene (UHMWPE), also known as high-modulus polyethylene (HMPE) or high-performance polyethylene (HPPE), is a thermoplastic. It has extremely long chains, with molecular weight numbering in the millions, usually between 2 and 6 million. 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. It is highly resistant to corrosive chemicals, with exception of oxidizing acids. Its coefficient of friction is significantly lower than that of nylon and acetal, and is comparable to that of PTFE, but UHMWPE has better abrasion resistance. It is odorless, tasteless, and nontoxic.

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