Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
POM Copolymer YUNTIANHUA® ST-20 YunNan YunTianHua Co., Ltd.
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Fasteners, washers, gears
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | YunNan YunTianHua Co., Ltd./YUNTIANHUA® ST-20 |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | 20 kJ/m² |
| Mechanical properties | Test Condition | Test Method | YunNan YunTianHua Co., Ltd./YUNTIANHUA® ST-20 |
|---|---|---|---|
| Tensile modulus | ISO 527-2 | 1200 MPa | |
| Tensile strain | 断裂 | ISO 527-2 | 140 % |
| tensile strength | 屈服 | ISO 527-2 | 33.0 MPa |
| Flexural modulus | ISO 178 | 1100 MPa | |
| bending strength | ISO 178 | 35.0 MPa |
| flammability | Test Condition | Test Method | YunNan YunTianHua Co., Ltd./YUNTIANHUA® ST-20 |
|---|---|---|---|
| UL flame retardant rating | UL 94 | HB |
| physical property | Test Condition | Test Method | YunNan YunTianHua Co., Ltd./YUNTIANHUA® ST-20 |
|---|---|---|---|
| Water absorption rate | 23°C,24hr | ISO 62 | 0.60 % |
| density | ISO 1183 | 1.30 g/cm³ | |
| melt mass-flow rate | 190°C/2.16kg | ISO 1133 | 7.0 g/10min |
| Thermal performance | Test Condition | Test Method | YunNan YunTianHua Co., Ltd./YUNTIANHUA® ST-20 |
|---|---|---|---|
| Heat distortion temperature | 1.8MPa,未退火，HDT | ISO 75-2/A | 60.0 °C |
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