Click on the image to check the artwork
By certification 
HS Code: 281700
Molecular formula: Zn0, Molecular weight: 81.39
Property: white powder, odourless, relative density 5.606, stable under normal temperature. Insoluble in water and alcohol, soluble in acid, alkaki and amkonium solution.
Usage: Used in rubber, dope cable, porcelain enamel, oil, pottery and porcelain, glass and other chemical industry.
Packing: 25kg/bag
Specification:
|
Standard BA01-05(I) | |||
Excellent Grade | First Grade | Qualified Grade | |
ZnO（on dry basis）%≥ | 99.70 | 99.50 | 99.40 |
Zn %≤ | - | - | 0.008 |
Pb %≤ | 0.037 | 0.05 | 0.14 |
Mn %≤ | 0.0001 | 0.0001 | 0.0003 |
CuO(as Cu) %≤ | 0.0002 | 0.0004 | 0.0007 |
Insoluble in HCL %≤ | 0.006 | 0.008 | 0.05 |
Ignition loss %≤ | 0.2 | 0.2 | 0.2 |
Residue on 45um mesh %≤ | 0.10 | 0.15 | 0.20 |
Water soluble %≤ | 0.10 | 0.10 | 0.15 |
Volatile at 105℃ %≤ | 0.3 | 0.4 | 0.5 |
Oil absorption g/ 100g %≤ | - | - | - |
Color (contrasted with sample) %≤ | - | - | - |
|
Tint Reducing powder (compared with standard sample) %≥ | - | - | - |