热塑性密封条料是一款硬度50A-95A可调，具有密度低，耐老化性能好，回弹好，撕裂强度高，耐低温等优点的TPE橡胶材料。广泛应用于车窗玻璃密封条，车门密封条，装饰条、嵌条，行李箱盖密封条、发动机罩密封条、水箱密封条、应急门密封条等。
Thermoplastic sealing strip material is a TPE rubber material with can adjust hardness to 50A-95A. It has low density, good aging resistance, good rebound, high tear strength and low temperature resistance. It is widely used in window glass sealing strip, door sealing strip, decorative strip, insert strip, trunk lid sealing strip, engine hood sealing strip, water tank sealing strip, emergency door sealing strip, etc.
测试项目 | 测试方法 | 典型值Typical value | |
密封条料-75A | 密封条料-85A | ||
拉伸强度/Tensile Strength, MPa, 500mm/min | GB/T 528 | 10 | 13 |
断裂伸长率/Elongation at Break, %, 500mm/min | GB/T 528 | 880 | 800 |
邵氏硬度/Shore Hardness, HA, 25℃ | GB/T 531 | 75 | 85 |
密度/Density, g/cm3 | GB/T 1033 | 0.99 | 1.00 |
熔融指数/Melt flow rate, g/10min（220℃，5.0kg） | GB/T 3682 | 0.4-0.7 | 0.4-0.7 |
含水率/Moisture content, ‰ | GB/T 6284 | 0.39 | 0.38 |
收缩率/Shrinkage, % | GB/T 15585 | 0.73 | 0.74 |
工艺性能/Process performance | 要求Requirement | ||
挤出工艺参数/Extrusion process parameters | 进料段160℃，加热段180~210℃，模头190℃ | ||
外观/Appearance | 表面平滑，无气泡、杂质等缺陷 | ||
尺寸/size | 与标准样品基本一致 | ||
挤出/Extrusion | 出料均匀，牵引正常 | ||