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Grade
Reference Price
| optical performance | Test Condition | Test Method | INEOS STYRO KOREA/Zylar 631 |
|---|---|---|---|
| turbidity | ISO 14782 | 1.5 % | |
| Transmittance rate | 3.2 mm | ASTM D1003 | 89 % |
| Physical properties | Test Condition | Test Method | INEOS STYRO KOREA/Zylar 631 |
| Melt Volume Flow Rate (MVR) | 200℃，5 kg | 5.8 cm3/10min | |
| Water absorption rate | Saturation，23℃ | ISO 62 | 0.1 % |
| density | ISO 1183 | 1.05 g/cm³ | |
| thermal performance | Test Condition | Test Method | INEOS STYRO KOREA/Zylar 631 |
| Vicat softening temperature | B50 | ISO 306 | 74 °C |
| Linear coefficient of thermal expansion | ISO 11359 | 0.8-1.1 ×10-4/℃ | |
| Maximum operating temperature | 250 °C | ||
| thermal conductivity | DIN 5261-1 | 0.17 W/m/K | |
| Hot deformation temperature | 0.45 MPa，Annealed | ISO 75-2/B | 101 °C |
| 1.8 MPa，Annealed | ISO 75-2/A | 87 °C | |
| impact performance | Test Condition | Test Method | INEOS STYRO KOREA/Zylar 631 |
| Dart impact | ASTM D5420 | 11 J | |
| Charpy Notched Impact Strength | 23℃ | ISO 179 | 3.4 kJ/m² |
| mechanical properties | Test Condition | Test Method | INEOS STYRO KOREA/Zylar 631 |
| Tensile strain | Break，23℃ | ISO 527-2 | 36 % |
| bending strength | -- | ISO 178 | 57 Mpa |
| Bending modulus | -- | ISO 178 | 1890 Mpa |
| Tensile modulus | 1 mm/min | ISO 527-2 | 2120 Mpa |
| tensile strength | Yield，23℃ | ISO 527-2 | 39 Mpa |
| Rockwell hardness | R-Scale | ISO 2039-2 | 70 |