1. Molecular formula: ZnO
2. Molecular weight: 81.39
3. Appearance: White or yellow powder
4. Packaging: Vinylon bag. Net weight 25kg.
5. Use: as sulfurization activator, reinforced agent and dyes; the optical stabilizer of plastics. Moreover, it also can be used in the manufacturing of ceramics, coating, ink, printing and dyeing, medicine, match, magnetic material, high energy battery, glass products, desulfurizer of natural gas, photo, xerocopy, colour picture tube, luminescent powder, feed, fireworks and aerosol missile, etc.
Item |
Industrial standard |
The standard value of our company |
First grade |
Second grade |
ZnO /% |
95 - 98 |
95 - 98 |
95 - 98 |
Moisture /% ≤ |
0.7 |
0.7 |
0.5 |
Water soluble matter /% ≤ |
0.5 |
0.7 |
0.5 |
Loss on ignition /% |
1 - 4 |
1 - 4 |
2 - 3 |
Insoluble matter in HCl /% ≤ |
0.02 |
0.05 |
0.02 |
Lead oxide ( Pb ) / ≤ |
0.01 |
0.05 |
0.001 |
Manganese oxide( Mn ) /% ≤ |
0.001 |
0.003 |
0.001 |
Copper oxide ( Cu ) /% ≤ |
0.001 |
0.003 |
0.001 |
Cd /% ≤ |
- |
- |
0.001 |
As /% ≤ |
- |
- |
0.0001 |
Fineness( Residue on 45um screen ) / ≤ |
0.1 |
0.4 |
0.1 |
Specific surface area / ( m 2 /g ) ≥ |
45 |
35 |
55 |
Bulk density / ( g/ml ) ≤ |
0.35 |
0.40 |
0.35 |
Appearance |
white or slight yellow super-fine powder |
slight yellow super-fine powder |
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1 , Superfine activated zinc oxide is the multi-purposed rubber accessory ingredient, it can be used as the reinforced agent and vulcanizing agent of rubber and latex, the dye and filler of white rubber material, the vulcanizing agent and heat conductive accessory ingredient of neoprene. Moreover, it is the inorganic activator of transparent rubber product and rubber products that contact with the food. As to the rubber product, the dosage of superfine activated zinc oxide is only a half of traditional zinc oxide, thus it can save the cost greatly. It is a good substitute of traditional zinc oxide. It also can improve the performance of rubber products, including smooth surface, good roughness, good mechanical strength, good abrasion, good resistance to heat and age.
2 , In pharm-chemical industry, it can be used in gesso, rubber plaster and medicinal binder. It can be used in the coating industry to improve the hiding force, dyeing force and fastness of paint film.
3 , Moreover, it can resist the bacteria, age and adsorb the UV ray, thus it can be used in textile, cosmetics, glass, papermaking and fine ceramics, etc. |
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