So sánh vật liệu
Thông số kỹ thuật
| Điều kiện kiểm tra | Phương pháp kiểm tra | Crown Plastics/Galleria | |
|---|---|---|---|
| ThermalResponse | Trans. | Internal Method | <1.0 % |
| Crystallinity | DSC | 53 % | |
| ThermalResponse | Linear | Internal Method | <1.0 % |
| Shrinkage rate | TD | Internal Method | 3.1 % |
| Wear resistance | 砂浆磨损法 | 0.570 | |
| average molecular weight | -- | ASTM D4020 | 3250000 g/mol |
| density | ASTM D1505 | >0.930 g/cm³ | |
| Impact strength of cantilever beam gap | ASTM D256 | 无断裂 | |
| Linear coefficient of thermal expansion | MD | ASTM D696 | 2E-04 cm/cm/°C |
| average molecular weight | -- | <4700000 g/mol | |
| Tensile modulus | ASTMD638 | 720 MPa | |
| melt mass-flow rate | ASTM D1238 | 0.0 g/10min | |
| Shrinkage rate | MD | Internal Method | 6.4 % |
