Oilfield special alkali type zinc carbonate 1.Purity:57% 2.Certificate:ISO9001 3.Support any payment and freight ways

Oilfield special alkali type zinc carbonate 

   

1>Description:

  Alkaline zinc carbonate (zinc carbonate) is widely used in the industries of rubber, plastics, chemicals and medicine as foaming agents of rubber and plastics, colorants, sulfurizing agent and optic stabilizer of transparent rubber and plastic products.

 

2>Quality Standard of Alkaline Zinc Carbonate (Zinc Carbonate): HG/T2523-93

Items	Indicators
	Excellent product	First-class product	Conforming product
Main content (ZnO dry basis)%    Min	57.5	57.0	56.5
Moisture                                   Max	2.5	3.5	5.0
Heavy metal (Pb) content %      Max	0.04	0.05	0.05
Cadmium (Cd)                      Max	0.10	—	—
Fineness (residue on 75µm  test sieve) Min	95.0	94.0	93.0
Ignition loss %                      Max	25.0~28.0	25.0~30.0	25.0~32.0

3>The color

4>Package

5>Prodction equipment

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Oilfield special alkali type zinc carbonate