Name: zinc carbonate CAS No. : 5970-47-8 HS Code: 2836999000

Properties: white amorphous powder, odorless, non-toxic, insolulble in wanter and ethyl alcohol and soluble in diluted acid

Usage: used as a light astringent , prepared calamine, skin protection agent, rubber, latex products, raw marterials and cementing agents in oil development

Data Analysis

Main Amount(Zn in dry basis)%≥ ----------------57.5 57.0 56.5

Heat Loss%------------------------------------------25-28 25-30 25-32

Heavy Metal%≤ ---------------------------------------0.04 0.05 0.05

Moisture%≤ ---------------------------------------------2.5 3.5 5.0

Sulphates%≤ ------------------------------------------- 0.6 0.8
Fineness(75um sieve)%≥ ---------------------------95.0 94.0 93.0

Cadmium%≤ ---------------------------------------------0.1