cosmetic grade talc powder specification(25262020) whiteness 88%min-95%min sio2 45%min-60%min, mgo 30%min Acid solvable material 1.50 Water solvable material 0.10 Acid-alkali Litmus paper appears neutral reaction Lead 0.001 Arsenic (As) 0.0003 Pb 0.004 Bacteria each/g 100 pathogenic bacteria mustn't be inspected out al2o3:0.4%max, fe2o3:0.3%max cao:0.6%max PH:7%-9% Wear and tear(cooper net) mg:80 Oil-absorbed25%-50% asbestos free Dust, mm2/g 0.4%-1%max loi(800.C) 6%-22% Loose density 0.45%-0.65%max g/cm3 Tight density 0.80-0.9%max g/cm3 size 325mesh moisture 0.5%max, packing in five ply kraft paper bags of 25kgs FOB (bayuquan)china port 70-90usd/mt