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原料比对
产品信息
品名
品牌名
典型应用
特性
认证
POM ST-20 重庆云天化
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汽车卡扣,垫圈,齿轮,套筒,紧固件,垫圈,齿轮
耐疲劳,高韧性,高冲击,耐化学性
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物性数据
| 热性能 | 测试条件 | 测试方法 | 重庆云天化/ST-20 |
|---|---|---|---|
| 热变形温度 | 1.8Mpa,未退火 | ISO 75 | 62 °C |
| 维卡软化温度 | ASTM D1525 | 85 °C |
| 机械性能 | 测试条件 | 测试方法 | 重庆云天化/ST-20 |
|---|---|---|---|
| 断裂伸长率 | ISO 57-2 | 150 % | |
| 简支梁缺口冲击强度 | ISO 179/leA | 20 kJ/m² | |
| 拉伸模量 | ISO 527-2 | 1300 Mpa | |
| 拉伸强度 | 屈服 | ISO 527-2 | 33 Mpa |
| 弯曲模量 | ISO 178 | 1250 Mpa | |
| 弯曲强度 | ISO 178 | 36 Mpa |
| 物理性能 | 测试条件 | 测试方法 | 重庆云天化/ST-20 |
|---|---|---|---|
| 熔体质量流动速率 | MFR 190℃/2.16Kg | ISO 1133 | 7 g/10min |
| 吸水率 | 24hr,23℃ | ISO 62 | 0.6 % |
| 可燃性 | 测试条件 | 测试方法 | 重庆云天化/ST-20 |
|---|---|---|---|
| 可燃性 | UL 94 | HB CLASS |