UHMWPE (ASTM F648)

Verifiedpolymer
· UHMWPE· GUR 1020· GUR 1050

Ultra-high-molecular-weight polyethylene (UHMWPE) is a linear polymer with an exceptionally long chain structure, specified under ASTM F648, offering an unusual combination of low density, high impact resistance, and excellent wear behavior. It is widely used in orthopedic implants (joint replacements, bearing surfaces), industrial wear components (conveyor systems, chute liners), marine applications, and medical devices where its low friction and self-lubricating properties reduce component degradation. Engineers select UHMWPE over standard polyethylene or competing polymers when prolonged wear life, biocompatibility, and minimal friction are critical, though its relatively low stiffness and moderate temperature ceiling require careful design consideration.

orthopedic implants and joint replacementsbearing surfaces and busingswear-resistant liners and padsmedical devicesmarine and chemical-resistant componentslow-friction industrial equipment

Compliance & Regulations

?UL 94?ISO 10993?Conflict Free?FDA?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
Property OverviewNormalized to typical max values
PropertyValueUnitConditionsSource
Compressive Strength(σc)
3.626
ksi—
Elongation at Break(εf)
350
-—
Fracture Toughness(KIC)
4.095
ksi·√in—
Poisson's Ratio(ν)
0.4600
-—
Ultimate Tensile Strength(σUTS)
5.802
ksiASTM F648
Yield Strength (0.2% offset)(σy)
3.046
ksi—
Young's Modulus(E)
116
ksi—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Melting Point / Solidus(Tm)
275
°F—
Specific Heat Capacity(Cp)
0.4538
BTU/(lb·°F)—
Thermal Conductivity(k)
0.2369
BTU/(hr·ft·°F)—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.03360
lb/in³—
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Safety & Biocompatibility

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.