... synergist in both halogen-based and halogen-free systems.It is an anti-dripping and char-promoting agent, and suppresses the afterglow. In ... Zinc catalyzes the release of halogens by forming zinc halides and zinc oxyhalides.Specification: No.ITEMIndex1Zinc Borate %99 min2ApperanceWhite crystal ... borate wholesaler China for rubber, plastic, wood, paper, firefihgt, fiber, anti corrosive, fiber