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Material Comparison
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Product Name / Manufacturer / Model
Grade
Reference Price
| mechanical properties | Test Condition | Test Method | SK KOREA/R680S |
|---|---|---|---|
| elongation | Break | ASTM D638 | >500 % |
| tensile strength | Yield | ASTM D638 | 24.5 Mpa |
| Bending modulus | ASTM D790 | 981 Mpa | |
| film | Test Condition | Test Method | SK KOREA/R680S |
| film thickness | 20 µm | ||
| thermal performance | Test Condition | Test Method | SK KOREA/R680S |
| Hot deformation temperature | HDT | ASTM D648 | 85 °C |
| Vicat softening temperature | ASTM D1525 | 125 °C | |
| hardness | Test Condition | Test Method | SK KOREA/R680S |
| Rockwell hardness | R-Scale | ASTM D785 | 78 |
| impact performance | Test Condition | Test Method | SK KOREA/R680S |
| Impact strength of cantilever beam gap | 23°C | ASTM D256 | 140 J/m |
| optical performance | Test Condition | Test Method | SK KOREA/R680S |
| gloss | 45° | ASTM D2457 | 50 |
| Physical properties | Test Condition | Test Method | SK KOREA/R680S |
| density | ASTM D1505 | 0.900 g/cm³ | |
| melt mass-flow rate | 230°C/2.16kg | ASTM D1238 | 28 g/10min |