The product has been widely used in electronic elements, circuit board, electronic module, the package and protect of transistor. It can strengthen insulativity and chemical resistance of electronic products. It can also resist the effect of dampness, moist, shock, overheating, corrode and radiant. The product has passed ROHS and UL certification. This product has excellent liquidity, lower vulcanizing temperature and vulcanizing period, can be used for many kinds of craft such as spraying、dip-coatng and drops of gum.