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- GEHR Plastics PE-UHMW Polyethylene, Ultra High Molecular Weight
GEHR Plastics PE-UHMW Polyethylene, Ultra High Molecular Weight
| Category | Polymer , Thermoplastic , Polyethylene (PE) , HDPE , High Density Polyethylene (HDPE), UHMW PE Ultra High Molecular Weight |
| Manufacturer | GEHR Plastics Inc |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | GEHR Plastics PE-UHMW Polyethylene, Ultra High Molecular Weight.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
The ultra high molecular weight Polyethylene has a high abrasion resistance and a high toughness at the same time. The chemical and the crack resistance are optimized in comparison to the standard PE-HD. The operating temperature if PE-UHMW is -150°C to 90°CProperties:low densityhigh toughnesshigh elongationvery good electrical and dielectric propertiesvery low water absorptionlow steam permeabilityhigh chemical resistancegood protection against stress crackingfood safesoft surfaceHF welding not recommendednatural color is not weather resistanceApplicationspumping and valve partsgasketsglide profilesfood industry parts
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 0.930 g/cc | 0.930 g/cc | ISO 1183 |
| Water Absorption | 0.010 % | 0.010 % | ISO 62 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore D | 61 | 61 | DIN 53505 |
| Ball Indentation Hardness | 35.0 MPa | 5080 psi | ISO 2039 |
| Tensile Strength at Break | 40.0 MPa | 5800 psi | ISO 527 |
| Tensile Strength, Yield | 17.0 MPa | 2470 psi | ISO 527 |
| Elongation at Break | >= 50 % | >= 50 % | ISO 527 |
| Elongation at Yield | <= 20 % | <= 20 % | ISO 527 |
| Modulus of Elasticity | 0.680 GPa | 98.6 ksi | ISO 527 |
| Flexural Strength | 27.0 MPa | 3920 psi | 3.5%; ISO 178 |
| Charpy Impact Unnotched | NB | NB | ISO 179 |
| Charpy Impact, Notched | NB | NB | ISO 179 |
| Coefficient of Friction | 0.25 | 0.25 | DIN 53375 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 200 µm/m-°C @Temperature 20.0 °C |
111 µin/in-°F @Temperature 68.0 °F |
DIN 53752 |
| Thermal Conductivity | 0.420 W/m-K | 2.91 BTU-in/hr-ft²-°F | DIN 52612 |
| Maximum Service Temperature, Air | 90.0 °C | 194 °F | |
| Deflection Temperature at 0.46 MPa (66 psi) | 65.0 °C | 149 °F | ISO 75 |
| Deflection Temperature at 1.8 MPa (264 psi) | 42.0 °C | 108 °F | ISO 75 |
| Vicat Softening Point | 80.0 °C | 176 °F | VST/B/50; ISO 306 |
| Minimum Service Temperature, Air | -150 °C | -238 °F | |
| Flammability, UL94 | HB | HB |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 1.00e+14 ohm-cm | >= 1.00e+14 ohm-cm | VDE 0303 |
| Surface Resistivity per Square | >= 1.00e+12 ohm | >= 1.00e+12 ohm | VDE 0303 |
| Dielectric Constant | 3.0 @Frequency 1.00e+6 Hz |
3.0 @Frequency 1.00e+6 Hz |
DIN 53483 |
| Dielectric Strength | 45.0 kV/mm | 1140 kV/in | VDE 0303 |
| Dielectric Loss Index | 0.00010 @Frequency 1.00e+6 Hz |
0.00010 @Frequency 1.00e+6 Hz |
DIN 53483 |
| Comparative Tracking Index | >= 600 V | >= 600 V | KB; IEC 60112 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Acid Resistance | yes | |
| Aromatic Resistance | limited | |
| Bondability | no | |
| Chemical Resistance | DIN 8075 | |
| CKW Resistance | no | |
| Color | Natural | |
| Hydrocarbonate Resistance | yes | |
| Hydroxide Resistance | yes | |
| Ketone Resistance | limited | |
| Physiological indifference according | yes | |
| Resistance Against Hot Water | limited | |
| UV Stabilization | no |
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