Zinc oxide for arrester purpose
.jpg) Uses: In the electronics industry, Zinc oxide for arrester purpose is mainly used to manufacture the magnetic elements of electronic structure-Ferrite; moreover, TV, radio, telecommunications installations and rheostat all adopts such magnetic materials.
Standard:JB/T9670-1999
| Item |
Index
|
| Zinc oxide (as ZnO)%，≥ |
99.7
|
| Potassium oxide (as K)%，≤ |
0.0010
|
| Sodium oxide (as Na)%，≤ |
0.0010
|
| Ferric oxide (as Fe)%，≤ |
0.0020
|
| Cadmium oxide (as Cd)%，≤ |
0.0050
|
| Lead oxide (as Pb)%，≤ |
0.037
|
| Copper oxide (as Cu)%，≤ |
0.0002
|
| Metal zinc (as Zn)%，≤ |
No
|
| Moisture %，≤ |
0.3
|
| Insoluble matter in HCl%，≤ |
0.006
|
| Loss on ignition%，≤ |
0.2
|
| PH value |
7.0-8.0
|
| Average size (um),≤ |
0.50
|
| Residue on sieve%，≤ |
0.10
|
|
