... high strength,good heat resistance,impact resistance 3.low shrinkage modified nylon granules plus 45% fiberglass Advantages:1. the heat ... addition of fiberglass and other auxiliaries,the flammability of nylon declines a lot.Full Description: PropertiesTest MethodUnitToughening Typefiberglass contentISO ... electric tools' shells and accessories,etc.Company Information: modified nylon plus 45% fiberglass