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| thermal performance | Test Condition | Test Method | KUMHO KOREA/HI-450W |
|---|---|---|---|
| Hot deformation temperature | 1.80MPa,Unannealed | ASTM D-648 | 77.8 °C |
| Vicat softening temperature | ASTM D-1525 | 97.2 °C | |
| Combustibility | 1.60mm | UL 94 | HB |
| mechanical properties | Test Condition | Test Method | KUMHO KOREA/HI-450W |
| Rockwell hardness | ASTM D-785 | 60 L scale | |
| Impact strength of cantilever beam gap | 23℃,3.20mm | ASTM D-256 | 98.8 J/m |
| Elongation at Break | ASTM D-638 | 50 % | |
| tensile strength | Yield | ASTM D-638 | 27.4 Mpa |
| bending strength | 23℃,Yield | ASTM D-790 | 32.3 Mpa |
| Bending modulus | 23℃ | ASTM D-790 | 1620 Mpa |
| Basic Performance | Test Condition | Test Method | KUMHO KOREA/HI-450W |
| Water absorption rate | 24hr | ASTM D-570 | 0.050 % |
| melt mass-flow rate | 200℃/5kg | ASTM D-1238 | 5.5 g/10min |
| Physical properties | Test Condition | Test Method | KUMHO KOREA/HI-450W |
| Shrinkage rate | Flow | ASTM D-955 | 0.30-0.60 % |
