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Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PUR-MDI 661 IBS (30 pcf) Covestro - Polycarbonates
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Plastic Datasheets
| hardness | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 pcf) |
|---|---|---|---|
| Shore hardness | ShoreD,6.35mm | ASTM D2240 | 56 |
| ShoreD,12.7mm | ASTM D2240 | 64 |
| thermal performance | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 pcf) |
|---|---|---|---|
| Hot deformation temperature | 0.45MPa,Unannealed,6.35mm | ASTM D648 | 80.0 °C |
| 0.45MPa,Unannealed,12.7mm | ASTM D648 | 90.0 °C |
| mechanical properties | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 pcf) |
|---|---|---|---|
| Bending modulus | 12.7mm | ASTM D790 | 689 MPa |
| 6.35mm | ASTM D790 | 717 MPa | |
| bending strength | 6.35mm | ASTM D790 | 24.1 MPa |
| 12.7mm | ASTM D790 | 26.2 MPa | |
| compressive strength | 6.35mm | ASTM D695 | 18.6 MPa |
| 12.7mm | ASTM D695 | 14.5 MPa | |
| elongation | Break,12.7mm | ASTM D638 | 7.0 % |
| Break,6.35mm | ASTM D638 | 7.0 % | |
| tensile strength | Break,12.7mm | ASTM D638 | 12.4 MPa |
| Break,6.35mm | ASTM D638 | 13.8 MPa |
| thermosetting | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 pcf) |
|---|---|---|---|
| Thermosetting components | 按重量计算的混合比 | 100 | |
| PartA | 按重量计算的混合比:120 |
| Physical properties | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 pcf) |
|---|---|---|---|
| density | ASTM D792 | 0.479 g/cm³ | |
| Shrinkage rate | MD：6.35mm | ASTM D955 | 0.30to0.50 % |
| impact performance | Test Condition | Test Method | Covestro - Polycarbonates/ 661 IBS (30 pcf) |
|---|---|---|---|
| Impact strength of simply supported beam without notch | --2 | Internal Method | 9.5 kJ/m² |
| --3 | Internal Method | 8.8 kJ/m² |