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Grade
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| mechanical properties | Test Condition | Test Method | KUMHO KOREA/HAC-8265 |
|---|---|---|---|
| elongation | Yield | ASTM D638 | 110 % |
| Bending modulus | 23℃ | ASTM D790 | 2160 MPa |
| tensile strength | Yield,23℃ | ASTM D638 | 53.9 MPa |
| bending strength | Yield,23℃ | ASTM D790 | 76.5 MPa |
| Impact strength of cantilever beam gap | 23℃, 6.40 mm | ASTM D256 | 534 J/m |
| 23℃, 3.20 mm | ASTM D256 | 694 J/m | |
| Basic Performance | Test Condition | Test Method | KUMHO KOREA/HAC-8265 |
| Rockwell hardness | R-Scale | ASTM D785 | 115 |
| density | ASTM D792 | 1.14 g/cm³ | |
| melt mass-flow rate | 230℃/21.6 kg | ASTM D1238 | 38 g/10 min |
| Shrinkage rate | Flow | ASTM D955 | 0.50 - 0.70 % |
| Other performance | Test Condition | Test Method | KUMHO KOREA/HAC-8265 |
| UL flame retardant rating | 1.60 mm | UL 94 | HB |
| thermal performance | Test Condition | Test Method | KUMHO KOREA/HAC-8265 |
| Hot deformation temperature | 1.8 MPa,Unannealed | ASTM D648 | 110 ℃ |
