... resist acid,alkali and smash.The specification of jack:¢5, ¢6.Guarantee quality and long life span.Special high temperature & ... spray,nickel spring, Bakelite(fiberglass),aluminum alloy polishing.Plug for electric plug:It apply high strength alloy shell and is ... can resist high voltage and heat,soft. 25A fluoroelastomer plug, High temperature resistance,high voltage resistance,acid,alkali,smash ...