Material Comparison
Product Info
Product Name
Brand Name
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PP Caltex PP ER221K GS Caltex
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | GS Caltex/Caltex PP ER221K |
|---|---|---|---|
| Impact strength of cantilever beam gap | -30°C | ASTM D256 | 31 J/m |
| -- | ASTM D256 | 350 J/m |
| hardness | Test Condition | Test Method | GS Caltex/Caltex PP ER221K |
|---|---|---|---|
| Rockwell hardness | R级 | ASTM D785 | 91 |
| Supplementary Information | Test Condition | Test Method | GS Caltex/Caltex PP ER221K |
|---|---|---|---|
| process temperature | 210to230 °C |
| Mechanical properties | Test Condition | Test Method | GS Caltex/Caltex PP ER221K |
|---|---|---|---|
| elongation | 断裂 | ASTM D638 | >110 % |
| Flexural modulus | ASTM D790A | 2750 MPa | |
| tensile strength | 屈服 | ASTM D638 | 19.6 MPa |
| physical property | Test Condition | Test Method | GS Caltex/Caltex PP ER221K |
|---|---|---|---|
| Shrinkage rate | MD | ASTM D955 | 0.60 % |
| melt mass-flow rate | 230°C/2.16kg | ASTM D1238 | 7.0 g/10min |
| Shrinkage rate | TD | ASTM D955 | 0.55 % |
| density | ASTM D792 | 1.21 g/cm³ |
| Thermal performance | Test Condition | Test Method | GS Caltex/Caltex PP ER221K |
|---|---|---|---|
| Heat distortion temperature | 0.45MPa,未退火，HDT | ASTM D648 | 135 °C |
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