Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM ST-20 CHONGQING YUNTIANHUA
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Car buckle、Washer、Engine parts、sleeve、Fasteners、Washer、Engine parts
Fatigue resistance、High toughness、High impact、Chemical resistance
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Plastic Datasheets
| Mechanical properties | Test Condition | Test Method | CHONGQING YUNTIANHUA/ST-20 |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/leA | 20 kJ/m² | |
| tensile yield strength | ISO 527-2 | 33 Mpa | |
| Tensile modulus | ISO 527-2 | 1300 Mpa | |
| bending strength | ISO 178 | 36 Mpa | |
| elongation at break | ISO 57-2 | 150 % | |
| Flexural modulus | ISO 178 | 1250 Mpa |
| flammability | Test Condition | Test Method | CHONGQING YUNTIANHUA/ST-20 |
|---|---|---|---|
| flammability | UL 94 | HB CLASS |
| physical property | Test Condition | Test Method | CHONGQING YUNTIANHUA/ST-20 |
|---|---|---|---|
| Water absorption rate | 24hr,23℃ | ISO 62 | 0.6 % |
| melt mass-flow rate | MFR 190℃/2.16Kg | ISO 1133 | 7 g/10min |
| Thermal performance | Test Condition | Test Method | CHONGQING YUNTIANHUA/ST-20 |
|---|---|---|---|
| DTUL | 1.8Mpa,未退火 | ISO 75 | 62 °C |
| vicat | ASTMD1525 | 85 °C |
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