| About |
|---|
| 熔融指数MVR (300 °C/1.2 kg) 4.0 cm³/10 min，通用；高粘度；紫外线稳定；简易释放；为安全护目镜而研制 |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | High Viscosity |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| Tensile modulus | |||
| 1 mm/min | 2270 | MPa | ISO 527-1-2 |
| Yield stress | |||
| 50 mm/min | 62 | MPa | ISO 527-1,-2 |
| Tensile strain | |||
| Yield, 50 mm/min | 6.5 | % | ISO 527-1/2 |
| Fracture strain | |||
| 5 mm/min | 68 | % | ISO 527-1,-2 |
| Bending modulus | |||
| 2 mm/mim | 2400 | MPa | ISO 178 |
| bending strength | |||
| 2 mm/min | 97 | MPa | ISO 178 |
| Maximum penetration | |||
| 23 ℃ | 5715 | N | ISO 6603-2 |
| Penetration energy | |||
| 23 ℃ | 60 | J | ISO 6603-2 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | |||
| 10℃/min | 151 | ℃ | ISO 11357-1,-2 |
| Thermal deformation temperature | |||
| 1.8MPa | 130 | ℃ | ISO 75-1,-2 |
| 0.45 MPa | 141 | ℃ | ISO 75-1,-2 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Mist of transparent materials | |||
| 3 mm | 0.2 | % | ISO 14782 |
| Transmittance | |||
| 1 mm | 89 | % | ISO 13468-2 |
| 2 mm | 89 | % | ISO 13468-2 |
| 3 mm | 88 | % | ISO 13468-2 |
| 4 mm | 88 | % | ISO 13468-2 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy impact strength | |||
| 23℃ | N | kJ/m² | ISO 179-1eU |
| -30℃ | N | kJ/m² | ISO 179-1eU |
| -60℃ | N | kJ/m² | ISO 179-1eU |
| Impact strength of cantilever beam notch | |||
| 23℃，3mm | 75P | kJ/m² | ISO 7391/b.o. ISO 180-A |
| -20℃，3mm | 71P(C) | kJ/m² | ISO 7391/b.o. ISO 180-A |
| -30℃，3mm | 20C(P) | kJ/m² | ISO 7391/b.o. ISO 180-A |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Melt index (volume), 300 ℃; 1.2 kg | 4.0 | cm³/10 min | ISO 1133 |
| Shrinkage rate | |||
| TD：60x60x2 mm | 0.73 | % | ISO 294-4 |
| MD：60x60x2 mm | 0.73 | % | ISO 294-4 |
| Density | 1.19 | g/cm³ | ISO 1183-1 |
| Notes |
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