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GUR® 4120
| Category: | UHMWPE , Ultra High Molecular Weight Polyethylene |
| Manufacturer: | Celanese Corporation |
| Trademark: | GUR® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | hIL1Se_GUR-4120.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| GUR 4120 UHMW-PE is a linear polyolefin resin in powder form with a molecular weight of approximately 5.0 MM g.mol calculated using Margolies' equation. The extremely high molecular weight of this resin yields several unique properties including superior abrasion resistance and highest impact strength of all standard grades. Outstanding properties include a low coefficient of friction that results in self-lubricating, non-stick surfaces after processing. The resin is normally processed by compression molding, ram extrusion or free sintering of porous parts. |
| General Information | |
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| Features |
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| RoHS Compliance |
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| Forms |
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| Processing Method |
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| Multi-Point Data |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | |||
| -- | 0.928 | g/cm³ | ASTM D792 |
| -- | 0.930 | g/cm³ | ISO 1183 |
| Melt Mass-Flow Rate (MFR) (190°C/21.6 kg) | < 0.10 | g/10 min | ASTM D1238, ISO 1133 |
| Water Absorption | ISO 62 | ||
| Saturation, 23°C | < 0.010 | % | |
| Equilibrium, 23°C, 50% RH | < 0.010 | % | |
| Viscosity Number | 2400 | cm³/g | ISO 307 |
| Elongational Stress F - 150/10 | 0.220 | MPa | ISO 1152-2 |
| Intrinsic Viscosity | 21 | dl/g | ISO 1628-3 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Abrasion Loss | 100 | Internal Method | |
| Wear by Sandslurry Method 1 | 100 | Internal Method |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Charpy Impact Strength 2 | 210 | kJ/m² | ISO 1152-2 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness | |||
| Shore D | 63 | ASTM D2240 | |
| Shore D, 15 sec | 60 | ISO 868 | |
| Ball Indentation Hardness 3 | 36.0 | MPa | ISO 2039-1 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | |||
| 23°C | 703 | MPa | ASTM D638 |
| -- | 720 | MPa | ISO 527-2/1A/1 |
| Tensile Strength | |||
| Yield, 23°C | 21.4 | MPa | ASTM D638 |
| Yield | 17.0 | MPa | ISO 527-2/1A/50 |
| Tensile Strain (Yield) | 20 | % | ISO 527-2/1A/50 |
| Nominal Tensile Strain at Break | > 50 | % | ISO 527-2/1A/50 |
| Tensile Creep Modulus | ISO 899-1 | ||
| 1 hr | 460 | MPa | |
| 1000 hr | 230 | MPa | |
| Coefficient of Friction (vs. Steel - Dynamic) | 0.10 | Internal Method |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Heat Deflection Temperature | |||
| 0.45 MPa, Unannealed | 65.0 | °C | ISO 75-2/B |
| 1.8 MPa, Unannealed | 42.0 | °C | ISO 75-2/A |
| Vicat Softening Temperature | 80.0 | °C | ASTM D1525, ISO 306/B50 |
| CLTE - Flow | 2.0E-4 | cm/cm/°C | ASTM D696, ISO 11359-2 |
| Specific Heat | Internal Method | ||
| -- | 1840 | J/kg/°C | |
| 23°C | 1840 | J/kg/°C | |
| Thermal Conductivity (23°C) | 0.41 | W/m/K | Internal Method |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Surface Resistivity | |||
| -- | > 1.0E+13 | ohms | ASTM D257 |
| -- | > 1.0E+12 | ohms | IEC 60093 |
| Volume Resistivity | |||
| -- | > 1.0E+15 | ohms·cm | ASTM D257 |
| -- | > 1.0E+14 | ohms·cm | IEC 60093 |
| Electric Strength | 45 | kV/mm | IEC 60243-1 |
| Dielectric Constant | |||
| 1 MHz | 3.00 | ASTM D150, IEC 60250 | |
| 100 Hz | 2.10 | IEC 60250 | |
| Dissipation Factor | IEC 60250 | ||
| 100 Hz | 3.9E-4 | ||
| 1 MHz | 1.0E-3 | ||
| Comparative Tracking Index | 600 | V | IEC 60112 |
| Flammability | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Flame Rating (1.60 mm) | HB | UL 94 |
| Note Message | |
|---|---|
| 1 . | Based on GUR 4120=100 |
| 2 . | 14° V-notch both sides |
| 3 . | 30 sec |
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