2.Chemical formula: ZnO
FIRST GRADE
(1)PURITY(ZnO), %------------ 95-98 min
(2)MOISTURE,%--------------------- 0.7 max
(3)WATER SOLUBLE SUBSTANCE,% ----------- 0.7 max
(4)LEAD OXIDE(Pb),% ---------------0.01 max
(5)MANGANESE OXIDE(Mn),% ---------- 0.01 max
(6)COPPER OXID(Cu),% ------------0.01 max
(7)45um RESUDUE ON SIEVE,% ------------- 0.1 max
(8)SPECIFIC SURFACE AREA(m2/g), -----------45 min
(9)BULK DENSITY(g/ml)----------0.35
QUALIFIED GRADE
(1)PURITY(ZnO), %--------------95-98 min
(2)MOISTURE,%-------------0.7 max
(3)WATER SOLUBLE SUBSTANCE,% ----------0.7 max
(4)LEAD OXIDE(Pb),% -------- 0.05 max
(5)MANGANESE OXIDE(Mn),% ----------0.03 max
(6)COPPER OXID(Cu),% ----------0.03 max
(7)45um RESUDUE ON SIEVE,% -------0.4 max
(8)SPECIFIC SURFACE AREA(m2/g), ----------35 min
(9)BULK DENSITY(g/ml)--------------0.40
4.Appearance: white solid
5.Package:25kg/fabric woven bag lined with plastic film,24 tons/20"FCL
6.Port: Tianjin port,China
7.Payment terms:L/C or T/T
8. usage;Can be applied to Rubber Accessories,paints,medicine, printing and dyeing,cosmetics,Paints,advanced glass products,enamel,chemical reagent ect.