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Product Name
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PUR-MDI 661 IBS (30 pcf) Covestro - Polycarbonates
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 pcf) |
|---|---|---|---|
| Impact strength of simply supported beam without notch | --2 | 内部方法 | 9.5 kJ/m² |
| --3 | 内部方法 | 8.8 kJ/m² |
| hardness | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 pcf) |
|---|---|---|---|
| Shore hardness | 邵氏D,6.35mm | ASTM D2240 | 56 |
| 邵氏D,12.7mm | ASTM D2240 | 64 |
| Mechanical properties | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 pcf) |
|---|---|---|---|
| compressive strength | 12.7mm | ASTM D695 | 14.5 MPa |
| tensile strength | 断裂,12.7mm | ASTM D638 | 12.4 MPa |
| compressive strength | 6.35mm | ASTM D695 | 18.6 MPa |
| Flexural modulus | 12.7mm | ASTM D790 | 689 MPa |
| tensile strength | 断裂,6.35mm | ASTM D638 | 13.8 MPa |
| bending strength | 6.35mm | ASTM D790 | 24.1 MPa |
| elongation | 断裂,12.7mm | ASTM D638 | 7.0 % |
| 断裂,6.35mm | ASTM D638 | 7.0 % | |
| bending strength | 12.7mm | ASTM D790 | 26.2 MPa |
| Flexural modulus | 6.35mm | ASTM D790 | 717 MPa |
| thermosetting | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 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:120 |
| physical property | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 pcf) |
|---|---|---|---|
| Shrinkage rate | MD：6.35mm | ASTM D955 | 0.30to0.50 % |
| density | ASTM D792 | 0.479 g/cm³ |
| Thermal performance | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 pcf) |
|---|---|---|---|
| Heat distortion temperature | 0.45MPa,未退火,12.7mm，HDT | ASTM D648 | 90.0 °C |
| 0.45MPa,未退火,6.35mm，HDT | ASTM D648 | 80.0 °C |
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