| About |
|---|
| Hostalen 4731 B is a high density polyethylene (HDPE) with high melt viscosity for extrusion. The product provides excellent stress crack resistance properties (ESCR) combined with very good long term hydrostatic strength, high heat- and extremely high extraction stability. Hostalen 4731 B fullfills the requirements of DIN 16833 / ISO 24033 for PE-RT, Typ II. Typical customer applications are underfloor heating and multilayer pipes for heating and plumbing. The product is not being sold for use in North America.&& |
| Product Description | |
|---|---|
| Supplier | LyondellBasell |
| Generic | HDPE |
| Material Status | Commercial: Active |
| Features | High Viscosity,High ESCR |
| Availabilitys | Africa & Middle East ,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.947 | g/cm³ | ISO 1183 |
| Melt Flow Rate | ISO 1133 | ||
| 190℃，21.6kg | 9.5 | g/10min | ISO 1133 |
| 190℃，5.0kg | 0.45 | g/10min | ISO 1133 |
| Full incision creep test | |||
| 4.0 MPa，80℃ | > 14.6 | day | ISO 16770 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179 | ||
| -30℃ | 8.0 | kJ/m² | ISO 179 |
| 23℃ | 24 | kJ/m² | ISO 179 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | |||
| A50 | 120 | ℃ | ISO 306/A50 |
| B50 | 70.0 | ℃ | ISO 306 |
| Oxygen sensing time | |||
| 210℃ | 40 | min | ISO 11357-6 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| MRS Classification | 10.0 | MPa | ISO 9080 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore D, 3 seconds | 59 | ISO 868 | |
| Tensile modulus | |||
| Secant, 23 ℃ | 850 | MPa | ISO 527-1-2 |
| tensile strength | |||
| Yield, 23 ℃ | 22.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| Yield, 23 ℃ | 8.0 | % | ISO 527-2/50 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Processing (melt) temperature | 200 to 280 | °C | |
| Melt temperature | 190 to 220 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 4.0 MPa, 2% Arkopal N100 |
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