Servisol plastic seal 60 protective insulator servisol 6100009000 a silicone based spray on coating that prevents arcing and corona discharge on eht transformers and other high voltage circuits it dries to produce a flexible dry film for coating printed circuit boards and can be used to weatherproof external cables connections and components protecting against damage from high humidity and environmental attack servisol 6100009000 plastic seal 60 protective insulator 200ml