| About |
|---|
| Lupolen 4261 AG is a high molecular weight high density polyethylene (HDPE). Typical customer applications include automotive fuel tank applications. It is supplied in pellets and is stabilized with antioxidants for the extrusion process. The product features an outstanding Enviromental Stress Cracking Resistance (ESCR), good chemical resistance in combination with an excellent low temperature impact resistance. Typical processes include blow moulding and thermoforming. Lupolen 4261 AG is not intended for use in medical and pharmaceutical applications. The product can not be used for food contact applications.&& |
| Product Description | |
|---|---|
| Supplier | LyondellBasell |
| Generic | HMW-HDPE |
| Material Status | Commercial: Active |
| Features | High impact resistance,Inoxidizability,High molecular weight,Solvent resistance,low-temperature impact resistance,High ESCR |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.945 | g/cm³ | ISO 1183 , ASTM D1505 |
| Apparent density | > 0.50 | g/cm³ | ISO 60 |
| Melt Flow Rate | |||
| 190℃，21.6kg | 5.9 | g/10min | ASTM D1238 |
| 190℃，21.6kg | 6.0 | g/10min | ISO 1133 |
| ESCR(Environmental Stress Cracking Resistance) | |||
| — | 1000 | hr | ASTM D1693B |
| F50 | > 800 | hr | ASTM D1693B |
| 100% non-ionic detergent, F50 | > 2000 | hr | ASTM D1693A |
| Full incision creep test | |||
| 3.5 MPa，80℃ | 3.3 | day | ISO 16770 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 900 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 23.1 | MPa | ASTM D638 |
| yield | 24.0 | MPa | ISO 527-2 |
| Bending modulus | |||
| 2% secant, 3.20 mm, 50 mm span | 1070 | MPa | ASTM D790 |
| — | 1100 | MPa | ISO 178 |
| bending strength | |||
| yield | 23.1 | MPa | ASTM D790 |
| film | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile strain | |||
| yield | 10 | % | ISO 527-2 |
| MD, fracture | 600 | % | ASTM D882 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile impact strength | ISO 8256/1A | ||
| -30℃ | 170 | kJ/m² | ISO 8256/1A |
| 23℃ | 250 | kJ/m² | ISO 8256/1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | |||
| A50 | 126 | ℃ | ISO 306/A50 |
| Melting temperature | |||
| DSC | 131 | ℃ | ISO 3146 |
| Oxygen sensing time | |||
| 200℃ | 50 | min | ISO 11357-6 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Melt temperature | 180 to 240 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Igepal |
| 3. 2% Arkopal N100 |
| 4. Type IV, 2.0 in/min |
| 5. Method I (3 point load), 0.51 in/min |
| 6. 76x13x3.2 mm |
| 7. 2.0 in/min |
| 8. Type IV |
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