Purposes:
Soft ferrite with zinc oxide is mainly used for the electronics industry manufacturing deflection cores and other zinc magnesium ferrite core, as well as zinc oxide arrester related parts, the manufacture of components of the electronic structure of magnetic materials - Ferrite, TV, radio, electrical communication devices and rheostats, etc. The use of such magnetic materials.
People's Republic of China standard HG/T2384-1997 %(m/m)
| Item | Index |
||
Model |
First Grade |
Qualified Product |
|
Zinc Oxide(as Zno) % ≥ |
99.75 |
99.65 |
|
Water soluble matter % ≤ |
0.1 |
0.1 |
|
Insolube matter in Hcl % ≤ |
0.005 |
0.008 |
|
Metal Zinc(as Zn) % ≤ |
No |
0.001 |
|
Loss on ignition% ≤ |
0.2 |
0.2 |
|
Chloride (as Cl) % ≤ |
0.005 |
— |
|
Pb% ≤ |
0.03 |
0.04 |
|
Mn% ≤ |
0.0001 |
0.0002 |
|
Cu% ≤ |
0.0002 |
0.0004 |
|
Cd% ≤ |
0.005 |
0.03 |
|
Ni% ≤ |
0.1 |
— |
|
Volatile Matter on 105℃ |
0.2 |
0.4 |
|
Apparent Densuty |
Compactness g/ml |
0.8-1.0 |
0.8-1.0 |
Bulk Density g/ml |
0.4-0.5 |
0.4-0.5 |
|
Residue on sieve (45 um experimental sieve ) % ≤ |
0.005 |
0.15 |
|