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Product Info
Product Name
Brand Name
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PUR-MDI 641 IBS (25 pcf) Covestro - Polycarbonates
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | Covestro - Polycarbonates/ 641 IBS (25 pcf) |
|---|---|---|---|
| Impact strength of simply supported beam without notch | 内部方法 | 7.1 kJ/m² |
| hardness | Test Condition | Test Method | Covestro - Polycarbonates/ 641 IBS (25 pcf) |
|---|---|---|---|
| Shore hardness | 邵氏D,12.7mm | ASTM D2240 | 50 |
| Mechanical properties | Test Condition | Test Method | Covestro - Polycarbonates/ 641 IBS (25 pcf) |
|---|---|---|---|
| compressive strength | 12.7mm | ASTM D695 | 6.21 MPa |
| tensile strength | 断裂,12.7mm | ASTM D638 | 7.58 MPa |
| Flexural modulus | 12.7mm | ASTM D790 | 372 MPa |
| elongation | 断裂,12.7mm | ASTM D638 | 8.0 % |
| bending strength | 12.7mm | ASTM D790 | 14.5 MPa |
| thermosetting | Test Condition | Test Method | Covestro - Polycarbonates/ 641 IBS (25 pcf) |
|---|---|---|---|
| Thermosetting components | 按重量计算的混合比 | 100 | |
| 部件A | 按重量计算的混合比:110 |
| physical property | Test Condition | Test Method | Covestro - Polycarbonates/ 641 IBS (25 pcf) |
|---|---|---|---|
| Shrinkage rate | MD：12.7mm | ASTM D955 | 0.30to0.50 % |
| density | ASTM D792 | 0.399 g/cm³ |
| Thermal performance | Test Condition | Test Method | Covestro - Polycarbonates/ 641 IBS (25 pcf) |
|---|---|---|---|
| Heat distortion temperature | 0.45MPa,未退火,12.7mm，HDT | ASTM D648 | 65.0 °C |
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