Boron series flame-retardant material Zinc Borate is applied in the PVC electric cable, PP, EVA, and so on packing:25kgs /bag 1. Brief introduction of boron series flame-retardant material Zinc Borate is one of the earliest used fire retardants, it also is an important inorganic fire retardant, and the characteristics are good thermostability, low toxicity, and smoke suppressioning. It may have ...