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Ultra-High Molecular Weight Polyethylene

Ultra-High Molecular Weight Polyethylene (UHMWPE)

Lightweight & Abrasion Resistant

History
Ultra-High Molecular Weight Polyethylene (UHMWPE) was first polymerized in the 1950’s. The first UHMWPE fibers were commercialized in the late 1970’s.

Composition
UHMWPE is a type of polyolefin that is composed of very long chains of polyethylene with a very high percentage of parallel orientation and high level of crystallinity. The extremely long polymer chains enable load transfer by strengthening intermolecular interactions. UHMWPE fibers are manufactured in a gel spinning process.

Manufacturers
DSM™
Honeywell™
Other suppliers

Common Types & Deniers
Spectra: S900, S1000
Dyneema: SK62, SK65, SK75
Deniers: 50-5400

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IMPACT

  • Excellent strength to weight ratio
  • High abrasion resistance
  • Low specific gravity
  • UV stable
  • Chemically inert except for strong oxidizing acids
  • Resistant to fatigue & internal friction

Product bulletin: UHMWPE

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Fiber Selection Guide

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Fiber Conversion Calculator

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UHMWPE Data
Resources
Property Standard Modulus High Modulus
Breaking Tenacity (g/d) 28.0 38
Specific Gravity (ratio) 0.97 0.97
Elongation at Break (%) 3.5 3.1
Tensile Modulus (g/d) 850 1250
Equilibrium Moisture Regain at 55% RH (%) <0.1 <0.1
Creep at 40-48% ult tensile strength (%) 1.7-5.0 1.7-5.0
Shrinkage dry air 177 ̊ 30 mins (%) Melts Melts
Melt Point ( ̊C) 135 135
NAME CATEGORY DESCRIPTION  
Fiber Selection Guide Product Selection Guide Compare fiber properties and technical data View
UHMWPE Product Bulletin Explore product information and technical properties View

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