| Self-adhesive liquid silicone rubbers of the ELASTOSIL® LR 3070 series are paste-like, easily pigmentable two-component compounds with extremely short curing times. ELASTOSIL® LR 3070 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 an ageing-process (e. g. one hour at 100°C) or by a longer storing at room temperature. Because of the individual surface properties each substrate must be tested before mass production. The vulcanizates are noted for good mechanical and electrical properties. Application: ELASTOSIL® LR 3070 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. Parts made from ELASTOSIL® LR 3070 can generally be used for technical applications without post-curing, but do not comply with regulations concerning use in the pharmaceutical and food industry. Information provided by Wacker Chemie AG. |
