Zinc oxide 99.7

　　Zinc oxide (based on dry product), %, ≥ 99.7

　　Metal (as Zn), %, ≤ ——

　　Lead oxide (as Pb), %, ≤ 0.037

　　Manganese oxide (as Mn), %, ≤ 0.0001

　　Copper oxide (as Cu), %, ≤ 0.0002

　　Cadmium oxide (as Cd), %, ≤ 0.003

　　Hydrochloric acid insoluble matter, %, ≤ 0.006

　　Loss on ignition, %, ≤ 0.20

　　Sieve residue (45μm), %, ≤ 0.10

　　Water soluble matter, %, ≤ 0.10

　　105℃ volatile matter, %, 0.3

　　Properties This product is hexagonal crystal or powder, tasteless, non-toxic, and delicate. Relative density 5.606, refractive index 2.008-2.029, melting point 1975℃.

　　Uses: used as vulcanizing agent, active agent, additives for petroleum products, and ultraviolet stabilizer for plastics industry in latex and synthetic rubber, in addition to medicine, matches, fireworks, smoke screen, optics, dyes, photography, copying, batteries, aerospace, explosives, Cigarette filters and magnetic materials have a wide range of uses.

　　Package Plastic woven bag, net weight 25 kg.