zinc carbonate basic used in pigments, ceramics and Used as raw materials of light convergence and latex products
Molecular formula ZnCO3.2Zn(OH)2.H2O Molecular weight 324.15
DENSITY 4.398Properties white or yellowish fine amorphous powder, smell-less, tasteless. The proportion is 4.42-4.45, does not dissolve in water and alcohol, slightly soluble in ammonia, can dissolve in the diluted acid and the sodium hydroxide CAS NO 3486-35-9 (MSDS)OR 5970-47-8
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 chemical fertilizer industry, the desulfurization agent, catalyst the main raw material
RUBBER In the rubber products, paints, pharmaceuticals and other chemical products can be widely applied.
Packaging This product is double packed in polyethylene plastic film bag, outer woven bag, weight25kg.
Storage Should be stored in a cool, dry, ventilated place to prevent rain and moisture, preventing sunlight, heat.
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 |
| UN 2924 3/PG 1 |
zinc carbonate uses textile and leather products
