Material Comparison
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Grade
Reference Price
| mechanical properties | Test Condition | Test Method | KUMHO KOREA/750NSW |
|---|---|---|---|
| Rockwell hardness | ASTM D-785 | 110 R scale | |
| elongation | Break | ASTM D-638 | 15 % |
| tensile strength | 23℃ | ASTM D-638 | 480 kg/cm |
| Elongation at Break | ASTM D638/ISO 527 | 15 % | |
| Bending modulus | 23℃ | ASTM D-790 | 24000 kg/cm |
| Rockwell hardness | ASTM D785 | 110 | |
| Impact strength of cantilever beam gap | 6.4mm | ASTM D-256 | 22 kg.cm/cm |
| tensile strength | ASTM D638/ISO 527 | 480 kg/cm²(MPa)[Lb/in²] | |
| Bending modulus | ASTM D790/ISO 178 | 24000 kg/cm²(MPa)[Lb/in²] | |
| bending strength | ASTM D790/ISO 178 | 670 kg/cm²(MPa)[Lb/in²] | |
| 23℃ | ASTM D-790 | 670 kg/cm | |
| Basic Performance | Test Condition | Test Method | KUMHO KOREA/750NSW |
| melt mass-flow rate | 200℃,5kg | ASTM D-1238(ISO 1133) | 5.5 g/10min |
| Water absorption rate | ASTM D-570 | 0.3 % | |
| melt mass-flow rate | 200℃,10kg | ASTM D-1238(ISO 1133) | 35 g/10min |
| Physical properties | Test Condition | Test Method | KUMHO KOREA/750NSW |
| Shrinkage rate | ASTM D-75 | 0.4-0.7 % | |
| density | ASTM D792/ISO 1183 | 1.04 | |
| thermal performance | Test Condition | Test Method | KUMHO KOREA/750NSW |
| UL flame retardant rating | UL -94 | HB CLASS | |
| Hot deformation temperature | 6.4mm,18.6kg/cm | ASTM D-648 | 85 °C |
| Combustibility (rate) | UL 94 | HB | |
| other | Test Condition | Test Method | KUMHO KOREA/750NSW |
| remarks | 通用 |
