Zinc Carbonate 57%min for industrial uses

Zinc Carbonate 57%min for industrial uses
Zinc Carbonate 57%min for industrial uses
Zinc Carbonate 57%min for industrial uses
Zinc Carbonate 57%min for industrial uses
Zinc Carbonate 57%min for industrial uses
Zinc Carbonate basic 57.5% 1. Good quality 2. Zinc content 57% 3. Use in oil Drilling,

 

Oren Hydrocarbons as professional supplier , can provide high cargo quality , competive price products Zinc Carbonate all grade

 

Zinc carbonate

 

1. Physical Properties

 

Physical & chemical property: white powder, odorless and tasteless, specific weight is 4.42-4.45, insolube in water or alcohol, slightly soluble in ammonia, soluble in diluted acid and sodium oxide.

Molecular formula : ZnCO3 . 2Zn(OH)2 . H2O
Molecular weight : 324.15

Solubility: Insoluble in water.

Density: 4.4 

% Volatiles by volume @ 21C (70F): 0

Melting Point: Decomposes to zinc oxide

 

2.Uses

 

As raw materials of latex products, used to prepare calamine or as skin protect, also widely used in rubber, paints, medicines and other chemical industries.  

 

3.Specification

 

  Quality standards: PRC's Chemical industry standard HG/T2523-93

 

Item

Specifications

Excellent- class

First- class

Conforming- class

Main content (in zinc)(dry basis), %≥

57.5

57

56.5

Loss on ignition%

25.0-28.0

25.0-30.0

25.0-32.0

Heavy metal content (in Pb), % ≤

0.04

0.05

0.05

Water content, % ≤

2.5

3.5

5

Sulphate content, (in SO4) % ≤

0.60

0.80

--

Fineness( 75μm sieve), % ≥

95.0

94.0

93.0

Cadmium content(Cd) , % ≤

0.10

--

--

 

4. Packing:

In 25kg plastic woven bag lined with polyethylene bag.

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