... of dehydration >320Residual of 320 Mesh ≤ (%)1.0PROPERTIES:Zinc Borate is one environmental-friendly halogen-free flame retardant. There are some ... ZH2O, in which Zinc Borate with 3.5 hydrate is called ZB2335 (2ZnO.3B2O33.5H2O)is the most common used grade. It has ... Polyolefin, Epoxy Polyamide etc resins and rubber process. Moreover, it is widely used in textile, fiber, floor, leather, wall paper, ...