... Characteristic of item:Silastic shell can resist high temperature,below 200 C and resist high voltage(220V~600V).Soft 25A ... temperature lead(or silastic wiring),silastic,high bottle ceramic,95 ceramic,aluminum alloy plastic spray,nickel spring, Bakelite(fiberglass ... voltage resistance,acid,alkali,smash resistance. Silastic shell can resist high voltage and heat,soft. 25A fluoroelastomer plug, ...