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Golden grassplot brand zinc oxide(indirect 99.7%) is made by advanced calcination process,The product is white powder,stability in room temperature,good hinding power and tint reducing power,insoluble in water and alcohol,soluble in acid,alkali.It used in producing white pigment,dyeing,paper and pharmaceutical.It as curing activity agent,reinforcing agents and coloring agent in natural rubber and synthetic rubber,it also used in producingzinc chrome yellow,zinc acetate,zinc carbonate,zinc chloride,electron laser materials,phosphor,the materials additives,catalysts, magnetic.
1、Main standard
| Chemical composition |
Zinc oxide （ZnO）（ Calcination） |
| Appearance |
White powder |
| Appearance |
25kg woven bag， 1000kg big bag |
| Package |
It made by advanced process with no surface treated,universal,
multifunctional zinc oxide |
| Characteristics |
Rubber,coating,pharmaceutical,ink,cable,electronics,mint,ceramics,
matches,chemicals, cosmetics,phosphating solution |
2、Specification
| No |
Item |
Unit |
Index |
| 1 |
ZnO |
％≥ |
99.7 |
| 2 |
Zn (Metal) |
％ |
0 |
| 3 |
Pbo |
%≤ |
0.037 |
| 4 |
Mn |
％≤ |
0.0001 |
| 5 |
Cupric oxide(counted by cu) |
％≤ |
0.0002 |
| 6 |
Hcl insoluble substance |
%≤ |
0.006 |
| 7 |
Loss in burning |
％≤ |
0.20 |
| 8 |
Residue on Sieve 45μ(%) |
％≤ |
0.10 |
| 9 |
Water soluble substances |
％≤ |
0.10 |
| 10 |
105 ℃ Volatile content |
%≤ |
0.30 | |
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