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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
PBT B4520 BK 德国巴斯夫
Ultradur®
电线电缆,油箱,商务设备,家电部件,外壳
中粘度,耐应力开裂
UL
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物性数据
| 热性能 | 测试条件 | 测试方法 | 德国巴斯夫/B4520 BK |
|---|---|---|---|
| 热变形温度 | 0.45MPa,未退火 | ISO 75-2/B | 150 °C |
| 1.8MPa,未退火 | ISO 75-2/A | 62.0 °C | |
| 熔融温度 | ISO 11357-3 | 223 °C | |
| 线性热膨胀系数 | MD：23到80°C | ISO 11359-2 | 9.0E-5到1.5E-4 cm/cm/°C |
| 冲击性能 | 测试条件 | 测试方法 | 德国巴斯夫/B4520 BK |
|---|---|---|---|
| 简支梁缺口冲击强度 | 23°C | ISO 179/1eA | 3.2 kJ/m² |
| -30°C | ISO 179/1eA | 2.1 kJ/m² | |
| 简支梁无缺口冲击强度 | -30°C | ISO 179/1eU | 55 kJ/m² |
| 23°C | ISO 179/1eU | 210 kJ/m² |
| 机械性能 | 测试条件 | 测试方法 | 德国巴斯夫/B4520 BK |
|---|---|---|---|
| 标称拉伸断裂应变 | ISO 527-2/50 | 13 % | |
| 拉伸模量 | ISO 527-2 | 2700 Mpa | |
| 拉伸强度 | 屈服 | ISO 527-2/50 | 60.0 Mpa |
| 拉伸应变 | 屈服 | ISO 527-2/50 | 5.2 % |
| 弯曲模量 | ISO 178 | 2700 Mpa | |
| 弯曲强度 | ISO 178 | 90.0 Mpa |
| 物理性能 | 测试条件 | 测试方法 | 德国巴斯夫/B4520 BK |
|---|---|---|---|
| 表观密度 | 0.70to0.80 g/cm³ | ||
| 密度 | ISO 1183 | 1.32 g/cm³ | |
| 熔体体积流动速率 | 250°C/2.16kg | ISO 1133 | 8.00 cm3/10min |
| 收缩率 | TD | ISO 294-4 | 2.2 % |
| MD | ISO 294-4 | 2.3 % | |
| 粘数 | ISO 307 | 100 cm³/g |
| 可燃性 | 测试条件 | 测试方法 | 德国巴斯夫/B4520 BK |
|---|---|---|---|
| 可燃性等级 | 1.6mm | IEC 60695-11-10,-20 | HB |
| 0.75mm | IEC 60695-11-10,-20 | HB |