Brief Introduction: PDM is Yellow or brown powder,specific gravity: 1.44. It is soluble in dioxane, 4-hydrogen furan, and hot acetone; insolvable in petroleum ether, chloroform, benzene and water. As multi-functional auxiliary agent for rubber, HVA-2 can be used as vulcanizator in rubber processing, auxiliary vulcanizator in peroxide system, vulcanization retarder and tackifier, and it can be used ...