Basic Zinc Carbonate

1.Basic Zinc Carbonate 2.Cas: 5970-47-8 3.Maim Content: 57.5% 4.Grade Standard:Industrial Grade 5.Packed in 25kg pp bag

1.Basic Zinc Carbonate2.Cas5970-47-83.Maim Content:57.5%4.Grade Standard:Industrial Grade5.. packed in 25kg pp bags,one 20fcl can be loaed 18mts without palet, if with palelt 17mts can be loaded

Description:

Fine white amorphous powder, odorless, tasteless.Proportion 4.42-4.45, Not dissolve in water and alcohol, slightly soluble in ammonia, can dissolve  in diluted acid and sodium hydroxide.

Uses:

Used as raw materials of light convergence and latex products. The preparation of calamine used as skin protective agent,can also be used rayon, petroleum and chemcial fertilizer industry, the desulfurization agent, catalyst the main raw material. In the rubber products ,paints, Pharmaceuticals and other chemcial products can be widely applied.

Packaging

This product is double packed in polyethylene plastic film bag, outer woven bag, weight 25 kg.Storage:Should be stored in a cool, dry, ventilated place to prevent rain and moisture ,preventing sunlight, heat.

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

Molecular weight: 342.23

Specifications

Item Head	Indicators			Internal Control Index
	Excellent product	First-class product	Qualified
Main Content (To Zn dry basis),% ≥	57.5	57.0	56.5	58
LOI	25.0-28.0	25.0-30.0	25.0-32.0	25.0-28.0
Heavy Metal(To Pb total)Content,% ≤	0.04	0.05	0.05	0.004
Moisture, ≤	2.5	3.5	5.0	2.5
Sulfate(SO4),% ≤	0.60	0.80		0.50
Fineness through 75um sieve≥	95.0	94.0	93.0	99.0
Cadmium (Cd) content of≤	0.10			0.05

Basic Zinc Carbonate