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appearance White powder
Main content(zn) >=% 57.27
Loss on ignition % 27.52
Heavy mental content <=% 0.03
Moisture <=% 2.39
Screenings (Cd) <=% 0.001
Packaging & Delivery
Packaging Detail: in 25 kg per bag or as your request
Delivery Detail: within 10 days after payment or deposit
Specifications
zinc carbonateCAS.NO: 5970-47-8Purity:57.27%minAppearance:white powder
Lead-time:
Molecular Formula: ZnCO3.2Zn(OH)2.H2O
zinc carbonate Properties(characters): white or yellowish fine amorphous powder, (inodorous)smell-less, tasteless. does not dissolve in water and alcohol, slightly soluble in ammonia, can dissolve in the diluted acid and the sodium hydroxide.
The proportion :4.42-4.45,.zinc carbonate features This product is white slight amorphous powder, not smelly, tasteless. Insoluble in water, and 30% H2O2 role in the formation of oxide release CO2.
zinc carbonate Use: It can be used not only as lightly astringent, the raw material of latex products, the configuration of calamine and as the skin protectant, , but also as the main raw material of the desulfurizer and katalyst in the rayon, the petroleum, the chemical fertilizer industries as well as the rubber product, the paint, the medicine and other chemical products.
zinc carbonate Use(application):
Used as the light apocrustic and the latex products raw material.Can prepare calamine and sued as the skin protecting agent, also may use in the rayon, petroleum and the chemical fertilizer industries as the main material of the desulfurizer and the catalyst.On the rubber product, the paint, the medicine and other chemical products, it is also widely applied.
zinc carbonate Specification
Items Index (%)
I II III
Zn content ≥ 57.5 57 56.5
Loss on ignition 25.0? 28.0 25.0--30.0 25.0--32.0
Heavy metal content (Pb) ≤ 0.0005 0.001 0.005
Moisture ≤ 2.5 3.5 5
SO42- ≤ 0.4 0.8 --
Sieve Residue (75microns mesh): ≥ 95 94 93
Cd ≤ 0.0004 0.001 0.005