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Direct Zinc Oxide

                  Technical Grade Zinc Oxide
 
Molecular Formula:
ZnO
Brand of Products:
Baofull
Molecular Weight:
81.37
CAS No.
1314-13-2
H.S. Code:
2817.0010
Property:
White powder, odourless, relative density 5.606, stable under normal temperature. Insoluble in water and alcohol, soluble in acid, alkaki and amkonium solution.
Usage:
Used in rubber, dope cable, porcelain enamel, oil, pottery and porcelain, glass and other chemical industry.
Packing:
25kg net in PP woven bag or as required by customers.
 
        Direct process zinc oxide quality meet standard of GB/T3494-1996
Item/Parameter
Standard
ZnO99.5%
ZnO99%
ZnO98%
ZnO95%
ZnO90%
Zinc Oxide (in accordance with dry materials) %
99.5
99.0
98.0
95.0
90.0
Lead oxide (PbO)% 
0.12
0.2
1.0
3.0
4.0
Cadmium oxide (CdO) %
0.02
0.05
--
--
--
Cupric oxide (CuO) %
0.006
--
--
--
--
Manganese (Mn) %
0.0002
--
--
--
--
Metallic Zinc (in accordance with Zn) %
--
--
--
--
--
Muriatic Acid Insoluble Substance %
0.03
0.04
0.5
1.0
2.0
Loss On Ignition %
0.4
0.6
0.7
5.0
5.0
Water Soluble Substance %
0.4
0.6
0.7
5.0
5.0
Sieve Residue (45um mesh ) %
0.28
0.32
0.5
1.0
1.0
Volatile at 105 %
0.4
0.4
0.5
1.0
1.0
Hiding Power g/m2
--
--
--
--
--
Oil Absorption g/100g
--
--
--
--
--
Reducing Power (compared with standard sample) %
--
--
--
--
--
Color(compared with standard sample) %
Come up to standard sample
                   
  Note: Special requirements should be decided through negotiation between the seller and the buyer.



 

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