99.5% 99.7% ZnO Zinc Oxide powder for rubber and ceramic
Product name: ZincOxide 99% ,99.5%,99.7%
CAS No.: 1314-13-2
EINECS No.:215-222-5
HS Code: 2817001000
Molecular Weight: 81.39
Molecular Formula: ZnO
Appearance: White powder, odorless, relative density 5.606, stable under normal temperature. Insoluble in water and alcohol, soluble inacid, alkali and amkonium solution.
Zinc Oxide grade: Indirect process Zinc Oxide, Direct Process Zinc Oxide, Calcined Zinc Oxide, Feed Grade Zinc Oxide, Pharmaceutic Zinc Oxide, nanometer Zinc Oxide, etc.
Specifications of ZnO Zinc Oxide powder for rubber and ceramic
| Item |
Index |
| ZnO |
99.0% |
99.5% |
99.7% |
| Moisture (150°C) |
0.3% max |
0.3% max |
0.3% max |
| Soluble in water |
0.1% max |
0.1% max |
0.1% max |
| Pb |
0.15% max |
0.1% max |
0.037% max |
| Mn |
0.001% max |
0.0005% max |
0.0004% max |
| Cu |
0.001% max |
0.0005% max |
0.0004% max |
| PH Value |
6.8-7.2 |
6.8-7.2 |
6.8-7.2 |
| Acid-Insoluble Substance, ≤ |
0.01% Max |
0.01% Max |
0.01% Max |
Usage of ZnO Zinc Oxide powder for rubber and ceramic
We are in good position to supply zinc oxide in direct method process and indirect method process for rubber, pain, medicine, printing ink, cable, electronics, papermaking, enamel, match, cosmetic and other chemical industrial applications.
Red Seal - Tyres industry, rubber shoes related products
White Seal - Animal feeds, ceramic, rust protective paint, rubber products and parts, cosmetics and pharmaceuticals
Colloidal - High quality anti-rust paint
White Seal-S - Animal feeds & treatment, ceramic, anti-rust paint, rubber product & part, cosmetics, medicine & pharmaceuticals
Gold Seal - High quality medicine and pharmaceuticals
1. Rubber Grade/Paint Grade - Also known as White Seal
| Parameters |
Unit |
Value |
| Appearance |
White Fine Powder |
| Zinc Oxide as Zno |
%(Min) |
99 |
| Loss on Ignition |
%(Max) |
0.5 |
| Sieve Residue (325 Mesh) |
%(Max) |
0.15 |
| Matter Insoluble in HCL |
%(Max) |
0.15 |
| Nitrogen Surface Area |
m2/gm |
3.5 to 5.5 |
2. Ceramic, Sanitaryware grade
| Parameters |
Unit |
Value |
| Appearance |
White Fine Powder |
| Zinc Oxide as Zno |
%(Min) |
99.5 |
| Loss on Ignition |
%(Max) |
0.3 |
| Sieve Residue (325 Mesh) |
%(Max) |
0.15 |
| Matter Insoluble in HCL |
%(Max) |
0.10 |
| Nitrogen Surface Area |
m2/gm |
3.5 to 5.5 |
3. Active Grade
| Parameters |
Unit |
Value |
| Appearance |
|
White Fine Powder |
| Zinc Oxide Content |
% |
72 |
| Ignition Loss |
% |
25-30 |
| Heavy Metals |
ppm Max |
50 |
| Sieve Residue (325 Mesh) |
%(Max) |
0.1 |
| Specific Surface Area |
m2/gm |
20-30 |
| These are our Standard specifications, we can also manufacture as per customer requirement. |
4. RA Grade
| Parameters |
Unit |
Value |
| Zinc Oxide |
% |
40% ± 5 |
| Calcium Oxide |
% |
50% ± 10 |
| Moisture |
%(Max) |
10.0% |
| Heavy Metals |
Max |
50 ppm. |
| Specific Surface Area |
m2/g |
10-15 |
| Note:- Zinc Oxide RA Grade is mainly used as a filler in low cost Rubber, Plastic Items. |
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