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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
PUR-MDI 728 IBS (40 pcf) 德国科思创
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物性数据
| 热性能 | 测试条件 | 测试方法 | 德国科思创/728 IBS (40 pcf) |
|---|---|---|---|
| 热变形温度 | 0.45MPa,未退火,6.35mm | ASTM D648 | 76.0 °C |
| 线性热膨胀系数 | MD：70°C,6.35mm | ASTM D696 | 1E-04 cm/cm/°C |
| 冲击性能 | 测试条件 | 测试方法 | 德国科思创/728 IBS (40 pcf) |
|---|---|---|---|
| 简支梁无缺口冲击强度 | Internal Method | 13 kJ/m² | |
| 悬壁梁缺口冲击强度 | 6.35mm | ASTM D256 | 16 J/m |
| 悬壁梁无缺口冲击强度 | 6.35mm | ASTM D256 | 110 J/m |
| 机械性能 | 测试条件 | 测试方法 | 德国科思创/728 IBS (40 pcf) |
|---|---|---|---|
| 拉伸强度 | 断裂,6.35mm | ASTM D638 | 16.5 MPa |
| 伸长率 | 断裂,6.35mm | ASTM D638 | 9.0 % |
| 弯曲模量 | 6.35mm | ASTM D790 | 931 MPa |
| 弯曲强度 | 6.35mm | ASTM D790 | 31.0 MPa |
| 物理性能 | 测试条件 | 测试方法 | 德国科思创/728 IBS (40 pcf) |
|---|---|---|---|
| 收缩率 | MD：6.35mm | ASTM D955 | 0.70to0.90 % |
| 可燃性 | 测试条件 | 测试方法 | 德国科思创/728 IBS (40 pcf) |
|---|---|---|---|
| UL阻燃等级 | 6.4mm | UL 94 | V-0 |