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Material Comparison
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Product Name / Manufacturer / Model
Grade
Reference Price
| Physical properties | Test Condition | Test Method | COVESTRO GERMANY/BKV140 |
|---|---|---|---|
| Shrinkage rate | MD:280°C,2.00mm2 | ISO 294-4 | 0.21 % |
| MD:120°C,2hr,2.00mm3 | ISO 294-4 | 0.070 % | |
| TD:280°C,2.00mm2 | ISO 294-4 | 0.75 % | |
| TD:120°C,2hr,2.00mm3 | ISO 294-4 | 0.090 % | |
| mechanical properties | Test Condition | Test Method | COVESTRO GERMANY/BKV140 |
| Tensile strain | Break,23°C | ISO 527-2/5 | 3.4 % |
| Bending modulus | 23°C | ISO 178/A | 11000 Mpa |
| Tensile modulus | 23°C | ISO 527-2/1 | 12000 Mpa |
| bending strength | 23°C | ISO 178 | 290 Mpa |
| FlexuralStrainatFlexuralStrength5(23°C) | 4.2 % | ||
| tensile strength | Break,23°C | ISO 527-2/5 | 185 Mpa |
| bending strength | 3.5%Strain | ISO 178/A | 280 Mpa |
| thermal performance | Test Condition | Test Method | COVESTRO GERMANY/BKV140 |
| Hot deformation temperature | 0.45MPa,Unannealed | ISO 75-2/B | 217 °C |
| 1.8MPa,Unannealed | ISO 75-2/A | 201 °C | |
| Melting temperature | ISO 11357-3 | 220 °C | |
| impact performance | Test Condition | Test Method | COVESTRO GERMANY/BKV140 |
| Suspended wall beam without notch impact strength | -30°C | ISO 180/1U | 90 kJ/m² |
| Impact strength of simply supported beam without notch | 23°C | ISO 179/1eU | 110 kJ/m² |
| Suspended wall beam without notch impact strength | 23°C | ISO 180/1U | 90 kJ/m² |
| Impact strength of simply supported beam without notch | -30°C | ISO 179/1eU | 100 kJ/m² |
| Supplementary Information | Test Condition | Test Method | COVESTRO GERMANY/BKV140 |
| ISO Shortcut | ISO 1874 | PA6HI.GR.14-120.GF40 |