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Offer Details
Zinc Carbonate 57.5%
| Offer Type: |  |
|---|---|
| Offer Category: | Chemicals >Inorganic Chemicals > Inorganic Salt |
| Offer Post Time: | May 18, 2012 |
| Expiration Date: | Sep 01, 2012 |
Details:
Zinc Carbonate 57.5%
Molecular Formula: ZnCO3.2Zn(OH)2. H2O
Molecular Weight: 342.15
CAS No.: 5970-47-8
Packaging Detail: PP bag with double layers of polyethlene film bag inside, 25kg per bag
Delivery Detail: Within 15-20 days after receiving the payment
Zinc Carbonate can be used as the raw material of light convergence and rubber products. It widely used as oil materials, such as oil drilling, which is the best materials for it.
Property: White, tiny and shapeless powder, odorless and tasteless. Its specific weight is 4.42-4.45, insoluble in water and alcohol, slightly soluble in ammonia, soluble in dilute acid and sodium hydroxide.
Quality Standard: Chemical Industry Standard of People's Republic of China HG/T 2523-93.
| Item | Index | ||
| High-class Product | First-class Product | Qualified Product | |
|
Main Content (Zn ) (Dry Basis)≥ |
57.5 | 57.0 | 56.5 |
|
Ignition Loss |
25.0-28.0 | 25.0-30.0 | 25.0-32.0 |
|
Content of Heavy Metal ( of pb)≤ |
0.04 | 0.05 | 0.05 |
|
Water Content≤ |
2.5 | 3.5 | 5.0 |
|
Content of Sulphate (SO4)≤ |
0.60 | 0.80 | |
|
Fineness Passing Through 75μ m Sieve ≥ |
95.0 | 94.0 | 93.0 |
|
Content of Cadmium (Cd)≤ |
0.10 | ||
