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Material Comparison
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Product Name / Manufacturer / Model
Grade
Reference Price
| elastomer | Test Condition | Test Method | KRATON USA/G7720 |
|---|---|---|---|
| Tensile stress | 500%Strain，TD | ASTM D412 | 3.45 Mpa |
| Elongation at Break | Break,3.18mm，Flow | ASTM D412 | 700 % |
| tensile strength | Yield,3.18mm，TD | ASTM D412 | 5.52 Mpa |
| Permanent compression deformation | 23°C,22hr | ASTM D395B | 15 % |
| Tensile stress | 100%Strain,3.18mm，TD | ASTM D412 | 1.38 Mpa |
| 300%Strain,3.18mm，TD | ASTM D412 | 2.07 Mpa | |
| Permanent compression deformation | 70°C,22hr | ASTM D395B | 38 % |
| tear strength | 3.18mm | ASTM D624 | 26.3 kN/m |
| aging | Test Condition | Test Method | KRATON USA/G7720 |
| Change rate of hardness (Shore) in the air | 支撐A | ASTM D573 | 2.0 |
| Change rate of tensile strength in air | 150°C,168hr | ASTM D573 | 140 % |
| Change rate of ultimate elongation in air | ASTM D573 | 130 % | |
| hardness | Test Condition | Test Method | KRATON USA/G7720 |
| Shore hardness | ShoreA2 | Internal Method | 62 |
| ShoreA | Internal Method | 52to62 | |
| ShoreA,10Sec | Internal Method | 57 | |
| Physical properties | Test Condition | Test Method | KRATON USA/G7720 |
| Shrinkage rate | MD | ASTM D955 | 1.4 % |
| Supplementary Information | Test Condition | Test Method | KRATON USA/G7720 |
| ozone resistance | 38°C | ASTM D518/1149 | NoCracking |
| thermal performance | Test Condition | Test Method | KRATON USA/G7720 |
| Brittle temperature | ASTM D746 | -63.0 °C | |
| flammability | Test Condition | Test Method | KRATON USA/G7720 |
| Burning rate | FMVSS302 | 51 mm/min |