The product is calcined after strict mineral screening, low temperature, decarbonization, dehydroxylation. It is of fine particle size, high electrical resistivity and mainly used in electrical cables application. Volume resistivity is superior to imported products.
Main application:
Electrical cable, etc.
Typical Properties:
|
Properties |
Unit |
Standard |
|
Whiteness |
R457, % |
≥92 |
|
Particle size |
-2μm, % |
78-82 |
|
Average particle size |
D50, μm |
1.0±0.1 |
|
Volume resistance |
ΩM |
≥1.0×1010
|
|
Screen residue |
325 mesh, % |
≤0.005 |
|
Oil absorption |
g/100g |
58±5 |
|
Dispersion |
Hegman,μm |
≤60 |
|
Moisture |
% |
≤0.5 |
|
pH |
------ |
6.0-8.0 |
Chemical Composition:
|
SiO2（%）
|
Al2O3（%） |
Fe2O3（%） |
TiO2（%） |
CaO（%） |
MgO（%） |
K2O（%） |
Na2O（%） |
MnO（%） |
|
52±2 |
45±2 |
≤0.8 |
≤1.5 |
≤0.5 |
≤0.3 |
≤0.1 |
≤0.2 |
≤0.004 |