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| mechanical properties | Test Condition | Test Method | COVESTRO USA/285A |
|---|---|---|---|
| Permanent compression deformation | 70℃ 22hr | ASTM D395 | 65 % |
| Bending modulus | 23℃ | ASTM D790 | 27.6 Mpa |
| Tear Man apart | C型 | ASTM D624 | 87.6 kN/m |
| Bending modulus | -30℃ | ISO 178 | 49.6 Mpa |
| elongation | Break | ISO 37 | 500 % |
| tensile strength | 100%Strain | ASTM D412 | 5.3 Mpa |
| Bayshore Elasticity | ASTM D2632 | 45 % | |
| Taber wear resistance | H-18轮1kg 1000次循环 | ASTM D1044 | 35 mg |
| tear strength | ISO 34 | 87.6 kN/m | |
| compressive strength | 20%Strain | ASTM D575 | 4.31 Mpa |
| 10%Strain | ASTM D575 | 2.24 Mpa | |
| 25%Strain | ASTM D575 | 5.69 Mpa | |
| 15%Strain | ASTM D575 | 3.28 Mpa | |
| tensile strength | 300%Strain | ASTM D412 | 13.1 Mpa |
| elongation | Break | ASTM D412 | 500 % |
| tensile strength | 50%Strain | ISO 37 | 5 Mpa |
| Taber wear resistance | H-18轮1kg 1000次循环 | ISO 4649 | 35 mg |
| Permanent compression deformation | 23℃ 22hr在110℃下后固化16hr | ASTM D395 | 12 % |
| compressive strength | 50%Strain | ASTM D575 | 15 Mpa |
| Permanent compression deformation | 70℃ 22hr在110℃下后固化16hr | ASTM D395 | 35 % |
| tensile strength | Yield | ISO 37 | 37.9 Mpa |
| compressive strength | 2%Strain | ASTM D575 | 0.345 Mpa |
| 5%Strain | ASTM D575 | 1.03 Mpa | |
| tensile strength | Yield | ASTM D412 | 37.9 Mpa |
| Permanent compression deformation | 23℃ 22hr | ISO 815 | 16 % |
| Physical properties | Test Condition | Test Method | COVESTRO USA/285A |
| density | ISO 1183 | 1.2 g/cm³ | |
| Shrinkage rate | 垂直2.5mm | ISO 2577 | 0.8 % |
| Flow2.5mm | ASTM D955 | 0.8 % | |
| 垂直2.5mm | ASTM D955 | 0.8 % | |
| density | ASTM D792 | 1.2 g/cm³ | |
| Shrinkage rate | Flow2.5mm | ISO 2577 | 0.8 % |
| thermal performance | Test Condition | Test Method | COVESTRO USA/285A |
| Glass transition temperature | DMA | -42 °C | |
| Brittle temperature | ISO 974 | -68 °C | |
| ASTM D746 | -68 °C | ||
| Vicat softening temperature | 50℃/hr | ASTM D1525 | 91 cm/cm/℃ |
| 50℃/hr | ISO 306 | 91 °C | |
| flame retardant performance | Test Condition | Test Method | COVESTRO USA/285A |
| UL flame retardant rating | 3.0mm | UL 95 | V-2 |
| 1.5mm | UL 94 | HB |