| About |
|---|
| Alcryn® ALR 7225 MPR has improved heat resistance over standard Alcryn grades and has an upper temperature limit of 136°C, while retaining at least 85% of original tensile properties. ALR 7225 is designed for the extrusion process, specifically Wire & Cable applications and should be considered where increased temperature resistance is required.&& |
| Product Description | |
|---|---|
| Supplier | A. Schulman |
| Generic | MPR |
| Material Status | Commercial: Active |
| Features | High Heat Resistance |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.30 | g/cm³ | ASTM D792 |
| Density | 1.30 | g/cm³ | ISO 1183 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 9.64 | MPa | ISO 37 |
| 100% strain | 4.85 | MPa | ASTM D412 |
| 100% strain | 4.85 | MPa | ISO 37 |
| Tensile strain | |||
| fracture | 370 | % | ISO 37 |
| fracture | 370 | % | ASTM D412 |
| tear strength | |||
| 24℃ | 39.8 | kN/m | ASTM D624 |
| Compression deformation | ASTM D395B | ||
| 24℃，22 hr | 32 | % | ASTM D395B |
| 70℃，22 hr | 73 | % | ASTM D395B |
| Compression deformation | ISO 815 | ||
| 24℃，22 hr | 32 | % | ISO 815 |
| 70℃，22 hr | 73 | % | ISO 815 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 82 | ISO 868 | |
| Shaw’s A | 82 | ASTM D2240 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 7.3E+11 | ohms | ASTM D257 |
| Volume resistivity | 4.4E+11 | ohms·cm | ASTM D257 |
| Dielectric strength | |||
| 0.00191 mm | 0.45 | kV/mm | ASTM D149 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
| 3. Type B |
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