Sinyo cosmetic grade Hexagonal Boron Nitride powder Platy multilayer hexagonal boron nitride has greasy feel like talcum powder. Different with talcum, BN is Non-toxic man made material. It is synthesized at 2000? temperature from raw materials of Boric Acid, melamine and electric power. Our Sinyo boron nitride powder is inert, non-toxic, and does not contains any hazardous material. Typical Properties of Sinyo's cosmetic grade Hexagonal Boron Nitride Powder. GradeSA10Size Distribution (um)10B2O3%0.2%maxTap density(g/cm3)0.3Crystal size(um)5Surface area ?/g8Manner of packing: 10kg in two layer
High Purity Super Lubricate Pure White Hexagonal Boron Nitride Powder For Cosmetics