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| mechanical properties | Test Condition | Test Method | KUMHO KOREA/GP150 |
|---|---|---|---|
| Rockwell hardness | ASTM D-785 | 75 M Scale | |
| tensile strength | 23℃ | ASTM D-638 | 540(7670) kg/cm2(psi) |
| Bending modulus | 23℃ | ASTM D-790 | 33000(454400) kg/cm2(psi) |
| elongation | ASTM D-638 | 3.5 % | |
| Impact strength of cantilever beam gap | 3.2mm,Notched(1/8in) | ASTM D-256 | 1.5(0.27) kg.cm/cm(ft.ld/in) |
| bending strength | 23℃ | ASTM D-790 | 890(12640) kg/cm2(psi) |
| Basic Performance | Test Condition | Test Method | KUMHO KOREA/GP150 |
| Water absorption rate | ASTM D-570 | 0.03 % | |
| melt mass-flow rate | 200℃,5kg | ASTM D-1238 | 3.0 g/10min |
| Electrical performance | Test Condition | Test Method | KUMHO KOREA/GP150 |
| Dielectric strength | ASTM D-149 | 550 v/mil | |
| Volume resistivity | ASTM D-257 | 1016 Ω.cm | |
| thermal performance | Test Condition | Test Method | KUMHO KOREA/GP150 |
| UL flame retardant rating | 1161.6mm | UL 94 | HB |
| 3.2mm | UL 94 | HB | |
| 1122.2mm | UL 94 | HB | |
| Vicat softening temperature | ASTM D-1525 | 105(221) ℃(℉) | |
| Hot deformation temperature | 6.4mm,18.6kg/cm2(1/4in 264Psi)Unannealed | ASTM D-648 | 87(189) ℃(℉) |
| Physical properties | Test Condition | Test Method | KUMHO KOREA/GP150 |
| density | ASTM D-792 | 1.04 | |
| Shrinkage rate | ASTM D-955 | 0.3-0.6 % |
