1. Properties: White or light yellow powder, density 5.606 ° , 1975, melting point is a kind of both sexes oxide, soluble in acid and alkali, insoluble in water or ethanol. Yellow, cold high recovery after white.
2. Application: Mainly used in Rubber Industry
Indirect-method zinc oxide
Index
Red Seal
Red Seal
Red Seal
ZnO , %≥
99%
95%
90%
PbO , %≤
0.15
0.18
0.18
CuO , %≤
0.005
0.006
0.006
Cd,%≤
0.0006
0.007
0.008
Mn , %≤
0.001
0.002
0.002
Zn , %≤
None
None
None
Insolubles in Hcl solution% ≤
0.005
0.006
0.006
Loss on ignition% ≤
0.2
0.3
0.3
Water soluble matter%≤
0.06
0.08
0.10
Screen residues(through 325 mesh plus)% ≤
0.08
0.08
0.08
Packing: In P.P. woven bags of 25 kgs net each P.E. Liner inside or as per customer’s requirements
