... repellency and lubricity;also has excellent electrical characteristics,high puncture-proof volt,arc resistance,corona-resistance,small ... , damping, shock proof, rolling, dustproof, water proof, high/low humidity and so on. 2, It can be used ... suppressor, good defoaming capability, heat resistance, nonvolatile, high chemical stability, non Mildew, safety, widely used in petroleum, chemical industry ...