1.zinc carbonate:ZnCO3.2Zn (OH)2.H2O
2.Strongest real manufacturer
3.ISO9001:2000
4.Market: domestic 30%, export 70%
zinc carbonate 57.5%
Molecular formula: ZnCO3.2Zn(OH)2.H2O
Molecular weight: 324.15
Chemical industry Standard of People's Republic of China HG/T2523-93
| ITEMS | INDEX | ||
| High-Class | First-Class | Qualified | |
| Zn % ≥ | 57.5 | 57.0 | 56.5 |
| Loss on dry | 25.0-28.0 | 25.0-30.0 | 25.0-32.0 |
| Pb content % ≤ | 0.04 | 0.05 | 0.05 |
| Moisture ≤ | 2.5 | 3.5 | 5.0 |
| So4 % ≤ | 0.60 | 0.80 | - |
| Fineness through 75 um Screen ≥ | 95.0 | 94.0 | 93.0 |
| Cd content % ≤ | 0.10 | - | - |
Properties: 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.
It is used in pigments, ceramics and the manufacture of crepe and sponge, being particularly
suitable when low pigmentation is desired. If has other uses in the paint industry and as an
activator in the rubber industry.
Package: PP WOVEN BAGS WITH INNER PE BAGS
Our advantages:
strong production capacity: about 800 tons per month highest purity, lowest content of heavy metal, best package in China, lowest price on the basis of good quality Certificate: ISO9001:2000.Our main markets: Iran, India, Indonesia, Russia, Brazil, USA, Greece, Italy, South Africa, Colombia, Canada, etc.
Payment term: 30% deposit in advance, the balance to be paid against B/L faxing; L/C.
Price Validity: 1 week
Delivery term: 1-2 weeks after receiving deposit
Sea freight: As freight always keeps fluctuating, we prefer to finalize this rate before shipment.
