牌号简介 About |
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硅橡胶、LSR成型件、技术、塑料和橡胶加工成型件、汽车、塑料和橡胶加工接头、汽车和运输成型密封件、塑料和橡胶加工 SELF-ADHESIVE LIQUID SILICONE RUBBER Self-adhesive liquid silicone rubbers of the ELASTOSIL® LR 3072 series are paste-like, easily pigmentable two-component compounds with extremely short curing times. Shortly after the curing process a thin oil film with lubricating properties forms on the surface of the vulcanizates. Special features ELASTOSIL® LR 3072 series are primerless, selfbonding grades that adhere to various plastic substrates (e. g. PA, PBT) and metals, but not in the mold. The bonding is improved by a subsequent heat treatment process (e. g. one hour at 100 °C) or by a longer storing at room temperature. Because of the individual surface properties adhesion to the substrate must be tested before production. The vulcanizates are noted for good mechanical and electrical properties. For further information on tested material combinations please refer to the corresponding adhesion tables which are available upon request from the responsible sales manager. Application ELASTOSIL® LR 3072 series are particularly suitable for the economical production of large series of overmolded parts (thermoplastic/elastomer), even in a comolding process (shuttle mold) under standard conditions, without any special treatment of the mold surface. |
技术参数 Technical Data | |||
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Uncured Properties Uncured Properties |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
颜色 colour |
Opaque | ||
密度 Density |
1.11 | g/cm³ | ISO 1183 |
粘度 viscosity |
1300 | Pa·s | DIN 53019 |
Cured Properties Cured Properties |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
邵氏硬度 Shore hardness |
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邵氏 A Shaw's A |
39 | DIN 53505 | |
拉伸强度 tensile strength |
8.40 | MPa | DIN 53504 |
拉伸应变 Tensile strain |
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断裂 fracture |
% | DIN 53504 | |
压缩形变 Compression deformation |
% | DIN ISO 815-B | |
撕裂强度 tear strength |
kN/m | ASTM D624-B | |
回弹性 Resilience |
% | DIN 53512 |
备注 |
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1 一般属性:这些不能被视为规格。 |
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