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热塑性密封条料TPE
    发布时间: 2021-12-30 13:37    
热塑性密封条料TPE

热塑性密封条料TPE技术说明
 Technical description of thermoplastic sealing strip TPE


 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
  Test items

测试方法
Test method

典型值Typical value

密封条料-75A
Sealing strip material-75A

密封条料-85A
Sealing strip material-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℃
       Feeding section 160 ℃, heating section
       180 ~ 210 ℃,die head 190 ℃

外观/Appearance

表面平滑，无气泡、杂质等缺陷
       Surface shall be smooth without bubble,
       impurity and other defects

尺寸/size

与标准样品基本一致
       Basically consistent with the standard sample

挤出/Extrusion

出料均匀，牵引正常
       The discharge is uniform and the traction is normal