The Silcast 8446 silicone system from EpoxySet, Lincoln, RI, is designed for bonding to metal surfaces. It protects sensitive electronics from environmental conditions, thermal cycling stresses, and vibrational shock. It can be silk screened to create automotive gaskets, or used as a potting/encapsulation compound for component protection of delicate parts. In addition, it’s rugged enough to use directly for casting production pieces. The system has a 10:1 mix ratio that has a 16-hour work time, but can cure in 10 minutes @150 °C.
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