Ultra-High Molecular Weight PolyEthylenes (UHMWPE) are thermoplastics of polyethylene, with extreme long carbon-chains and molecular weights between 6 to 10 million amu.
PB70000 materials are very though, have good impact resistance at low temperatures, good chemical resistance, good moisture resistance, and a very low coefficient of friction.
UHMWPE has better abrasion resistance than PTFE. PB70000 materials can be cross-linked by irradiation or chemically and then show improved strength and dielectric properties. Custom pigmented, lubricated, and food grades are available.
PBY Material Codes:
PB71000C - UHMWPE White
PB71502W - UHMWPE Blue
PB71700W - UHMWPE Gold
Virgin UHMWPE meets ASTM D6712 Type 01 Class 1 Grade 1 requirements. This product is NSF51 compliant.
Property | Test Method | Units | Virgin UHMWPE | Blue UHMWPE | Gold UHMWPE |
---|---|---|---|---|---|
Color | - | - | Translucent to White | Blue | Gold |
Specific Gravity | ASTM D792 | - | 0.910 - 0.960 | 0.920 - 0.970 | 0.920 - 0.970 |
Hardness Shore D | ASTM D2240 | - | 56 - 66 | 60 - 70 | 60 - 70 |
Tensile Strength, min. | ASTM D1708 | PSI [MPa] | 5,500 [38] | 6,000 [41] | 5,000 [34.5] |
Elongation at Break, min. | ASTM D1708 | % | 300 | 250 | 200 |
Service Temperature High | - | °F [°C] | 212 [100] | 212 [100] | 212 [100] |
Service Temperature Low | - | °F [°C] | -240 [-150] | -240 [-150] | -240 [-150] |
Second Melt Peak Temp. | ASTM D3418 | °F [°C] | 277 [136] | 277 [136] | 277 [136] |
Glass Transition Temp. | ASTM D3418 | °F [°C] | -166 [-110] | -166 [-110] | -166 [-110] |
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