Zinc Oxide (ZnO), also known as zinc white, is an oxide of zinc that appears as a white or slightly yellow fine powder. It is insoluble in water but soluble in acid and strong alkali. Other common names for ZnO include zinc powder, zinc white powder, zinc flower, etc.
| project | animal | rubber | catalyze | cosmetics | ceramics | |
| zinc oxide（ZnO）w/% | ≥ | 95.0 | 95.0 | 95.0 | 95 | 96 |
| 105℃Volatiles w/% | ≤ | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Water-soluble substance w/% | ≤ | 0.7 | 0.7 | 0.7 | 0.4 | - |
| loss on ignition w/% | ≤ | 4 | 4 | 4 | 0.8 | 0.8 |
| Sulfate ions（SO4）w/% | ≤ | 1 | 1 | 0.7 | - | 1 |
| insoluble matterw/% | ≤ | 0.05 | 0.05 | 0.05 | - | 0.1 |
| iron（Fe）w/% | ≤ | - | 0.005 | 0.005 | - | 0.001 |
| manganese(Mn)w/% | ≤ | - | 0.005 | 0.005 | - | - |
| copper(Cu)w/% | ≤ | - | 0.003 | 0.003 | - | - |
| lead(Pb)w/% | ≤ | 0.002 | 0.002 | 0.002 | 0.001 | 0.002 |
| cadmium(Cd)w/% | ≤ | 0.0008 | 0.003 | 0.003 | 0.0003 | 0.0008 |
| mercury(Hg)w/% | ≤ | 0.0003 | 0.0003 | 0.0003 | 0.0003 | 0.0003 |
| arsenic(As)w/% | ≤ | 0.0005 | 0.0005 | 0.0003 | 0.0003 | 0.0005 |
| fluorine（F）w/% | ≤ | 0.1 | 0.1 | 0.1 | - | - |
| sulfur（S）w/% | ≤ | - | - | 0.02 | - | 0.8 |
| chlorine（Cl）w/% | ≤ | - | - | 0.005 | - | - |
| fineness（150μm Test sieve）w/% | ≥ | 98 | 99.5 | 99.5 | 99.5 | 99.5 |
| outline structure | Spherical or chain spherical | Spherical or chain spherical | Spherical or chain spherical | Spherical or chain spherical | Spherical or chain spherical | |
| Electron microscopy average particle size/nm | ≤ | 500 | 500 | 500 | 80 | 500 |
| Specific surface area/(㎡/g) | ≥ | 40 | 45 | 45 | 40 | 30 |
| bulk density g/cm³ | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
The above information is for reference only. Please call our company's business representative to discuss product adaptation and application solutions.
Storage method:
1. Store in a ventilated, cool, and dry warehouse. The packaging should be tightly sealed to prevent damage.
2. Heat proof, waterproof, and moisture-proof. And pay attention to storing in isolation from strong acids and edible ingredients.
Packaging specifications:
25kg, 1000kg, 1200kg. Outer packaging: composite plastic woven bag, inner packaging: PE plastic film
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