| About |
|---|
| Lupolen UHM 5000 is an ultra high molecular weight polyethylene (UHMWPE) with an average molecular weight of 5 million. The long molecular chains leed to unique properties: Highest abrasion resistance of any thermoplastic materials, excellent impact strength, low friction, good chemical resistance and stress crack resistance. Lupolen UHM 5000 is used in compression moulding and ram extrusion processes. The material is supplied in form of coarse natural powder. The larger particle size and the very low fines content result in good free flowing property and less dust generation during handling and processing. For regulatory compliance information see Lupolen UHM 5000 Regulatory Affairs Product Stewardship Information/Certification Data Sheet (RAPIDS). The material is not intended for medical and pharmaceutical applications.&& |
| Product Description | |
|---|---|
| Supplier | LyondellBasell |
| Generic | Ultra-high molecular weight polyethylene |
| Material Status | Commercial: Active |
| Features | High impact resistance,Low coefficient of friction,Ultra high molecular weight,Good wear resistance,Solvent resistance,High ESCR |
| Availabilitys | Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.931 | g/cm³ | ISO 1183 |
| Apparent density | 0.45 | g/cm³ | ISO 60 |
| Viscosity value | |||
| Reduced viscosity | 2200.0 to 2500.0 | ml/g | ISO 1628 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179 | ||
| 23℃ | 190 | kJ/m² | ISO 179 |
| 23℃ | 无断裂 | ISO 179 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 68.0 | ℃ | ASTM D648，ISO 75-2/B |
| 1.8 MPa, unannealed | 45.0 | ℃ | ASTM D648，ISO 75-2/A |
| Vicat Softening Temp | |||
| B50 | 82.0 | ℃ | ISO 306 |
| Melting temperature | 135 | ℃ | DSC |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Medium Particle Size | 800.0 | µm |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | ISO 868 | ||
| Shore D, 3 seconds | 65 | ISO 868 | |
| Shore D, 15 seconds | 63 | ISO 868 | |
| Tensile modulus | |||
| Secant, 23 ℃ | 800 | MPa | ISO 527-1-2 |
| tensile strength | |||
| Yield, 23 ℃ | 20.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| Yield, 23 ℃ | 12 | % | ISO 527-2/50 |
| Tensile creep modulus | ISO 899-1 | ||
| 1 hr | 550 | MPa | ISO 899-1 |
| 1000 hr | 300 | MPa | ISO 899-1 |
| abrasion resistance | 90 to 110 | % | ISO 15527 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Melt temperature | 190 to 220 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 MPa |
| 3. Annex B |
| 4. Double Notch according to ISO 11542-2 Annex B. |
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