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| machinability | Test Condition | Test Method | TAIWAN CHIMEI/PA-757 |
|---|---|---|---|
| Dry conditions | 80°C下烘料约2-3小时 | ||
| Mold temperature | 30-70°C °C | ||
| pressure | - Mpa | ||
| Processing temperature | 180-230°C °C | ||
| Screw speed | - rpm | ||
| Melt Temperature | - °C | ||
| mechanical properties | Test Condition | Test Method | TAIWAN CHIMEI/PA-757 |
| Tensile modulus | ASTM D638/ISO 527 | - kg/cm²(MPa)[Lb/in²] | |
| Elongation at Break | ASTM D638/ISO 527 | - % | |
| Impact strength of cantilever beam gap | ASTM D256/ISO 179 | 20(3.7) kg·cm/cm(J/M)ft·lb/in | |
| elongation | ASTM D638/ISO 527 | 20 % | |
| Rockwell hardness | ASTM D785 | R-116 | |
| Charpy Notched Impact Strength | ASTM D256/ISO 179 | - kg·cm/cm(J/M)ft·lb/in | |
| Bending modulus | ASTM D790/ISO 178 | 27000(38000) kg/cm²(MPa)[Lb/in²] | |
| tensile strength | ASTM D638/ISO 527 | 490(6.950) kg/cm²(MPa)[Lb/in²] | |
| bending strength | ASTM D790/ISO 178 | 790(11.660) kg/cm²(MPa)[Lb/in²] | |
| Physical properties | Test Condition | Test Method | TAIWAN CHIMEI/PA-757 |
| Water absorption rate | ASTM D570/ISO 62 | - % | |
| Shrinkage rate | ASTM D955 | - % | |
| melt mass-flow rate | ASTM D1238/ISO 1133 | 23 g/10min | |
| density | ASTM D792/ISO 1183 | 1.05 | |
| thermal performance | Test Condition | Test Method | TAIWAN CHIMEI/PA-757 |
| Hot deformation temperature | HDT | ASTM D648/ISO 75 | 88(190) ℃（℉） |
| Vicat softening temperature | ASTM D1525/ISO R306 | 105(221) ℃（℉） | |
| Linear coefficient of thermal expansion | ASTM D696/ISO 11359 | - mm/mm.℃ | |
| Combustibility (rate) | UL 94 | 1.6mmHB |