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Personne àcontacter Ms. carrie
No. 26, Nansanhuan Road, Baodi District, Tianjin, Tianjin
Zinc Oxide: 1.Appearance: pure white powder 2.Assay (ZnO): *9.0 min 3.Lead (Pb): 0.*5% max ***** (Cu): 0.**1% max ***** (Mn): 0.**1% max 6.PH value: 6.**7.2 ***** (H*0): 0.3% max 8.Acid-Insoluble Substance : 0.**0% max 9.Water Soluble portion : 0.*0% max *0.Sieve Finese (**5 mesh): *9.9% pass