2011年11月10日星期四

Zinc Oxide


Description
Name]: Zinc oxide
[Molecular formula]: ZnO
[Molecular weight]: 81.39
[Cas no.]: 1314-13-2
[Einecs no.]: 215-222-5 
Specification:
Direct process zinc oxide quality meet standard of GB/T3494-1996
Item/Parameter Standard
Zinc Oxide (in accordance with dry materials) % ≥ ZnO 99.5% ZnO 99% ZnO 98% ZnO 95% ZnO 90%
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) % None None -- -- --
Muriatic Acid Insoluble Substance % ≤ 0.03 0.04 0.5 0.7 2.0
Loss On Ignition % ≤ 0.4 0.6 0.7 1.0 5.0
Water Soluble Substance % ≤ 0.4 0.6 0.7 1.0 3.0
Sieve Residue (45um mesh ) % ≤ 0.28 0.32 0.5 0.5 0.5
Volatile % ≤ 0.4 0.4 0.5 0.5 0.5 
Indirect process zinc oxide quality meet standard of GB/T3494-1996

Item/Parameter Standard
Zinc Oxide % ≥ ZnO 99% ZnO 99.5% ZnO 99.7% ZnO 99.8% ZnO 99.9%
Metallic Zinc (in accordance with Zn) % 0.01 None None None None
Lead oxide (PbO)% ≤ 0.05 0.05 0.037 0.001 0.001
Cadmium oxide (CdO) % ≤ -- -- -- 0.0005 0.0005
Cupric oxide (CuO) % ≤ 0.0004 0.0004 0.0002 0.0002 0.0002
As ≤ -- -- -- 0.0005 0.0005
Manganese (Mn) % ≤ 0.0258 0.0001 0.0001 -- --
Ferro Oxide (FeO) % ≤ -- -- 0.001 -- --
Muriatic Acid Insoluble Substance % ≤ 0.01 0.008 0.006 0.004 0.004
Loss On Ignition % ≤ 0.2 0.2 0.2 -- --
Water Insoluble Substance % ≤ 0.2 0.2 0.1 -- --
Volatile 105 % ≤ 0.5 0.4 0.3 0.3 0.3
Sieve Residue (45um mesh ) % ≤ 0.1 0.1 0.1 0.1 0.1
Surface Area % ≥ 40 45 50 60 60 

Uses:
Used in paint, rubber, glass, ceramics, cosmetics, printing ink, varnished cloth rendering, printing and dyeing industry of printing anti-agent, in the match industry and the glue used in the acidic, increasing adhesive effect, the pharmaceutical industry as a plaster of raw materials, in addition, for the Pigment Zinc chrome yellow, zinc acetate, zinc carbonate, zinc chloride and other manufacturing and methanol synthesis catalyst, ammonia desulfurization agent, glass and glaze production and activity of zinc oxide fine particles (diameter of 0.1um or so) can be used as such as polyolefin and PVC plastic light stabilizer, zinc oxide is also used in pressure-sensitive, light catalysis, optoelectronics pole, paint, color TV imaging and other fields. 



Resource:

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