Fe3O4 Magnetic powder
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FSMF-1Series Fe3O4 Magnetic powder Technical Information
|
Item |
Unit |
FSMF-1 |
FSMF-1T |
|
Saturation Magnetisation |
emu/g |
85 |
85 |
|
Remanence |
emu/g |
6.0 |
6.0 |
|
Coercivity |
Oe |
50~60 |
50~60 |
|
Particle Size |
μm |
0.25 |
0.25 |
|
Oil Absorption |
ml/100g |
18±2 |
18±2 |
|
Specific Surface Area |
m2/g |
5.0 |
5.0 |
|
Bulk Density |
g/cm3 |
0.7~0.8 |
0.8~0.9 |
|
FeO |
Wt% |
23.5~25.5 |
23.5~25.5 |
|
PH |
- |
7.0 |
7.0 |
|
shape |
- |
spherical |
spherical |
|
SurfaceTreatment |
-- |
-- |
hydrophopic |
|
Water Solubles Content |
% |
<1.0 |
<1.0 |
FSMF-2 Series Fe3O4 Magnetic powder Technical Information
|
Pragrammer |
Unit |
FSMF-2 |
FSMF-2T |
FSMF-2B |
|
Saturation Magnetisation |
emu/g |
82 |
82 |
80-90 |
|
Remanence |
emu/g |
8.2 |
8.2 |
9-11 |
|
Coercivity |
Oe |
70~80 |
70~80 |
110-120 |
|
Particle Size |
μm |
0.25 |
0.25 |
0.20-0.30 |
|
Oil Absorption |
ml/100g |
20±2 |
18±2 |
23-25 |
|
Specific Surface Area |
m2/g |
6.0 |
6.0 |
6-7 |
|
Bulk Density |
g/cm3 |
0.6~0.7 |
0.7~0.8 |
0.45-0.55 |
|
FeO |
Wt% |
23.5~25.5 |
23.5~25.5 |
24.5-27.5 |
|
PH |
- |
7.0 |
6.9 |
7.0 |
|
shape |
- |
cubic |
cubic |
cubic |
|
SurfaceTreatment |
-- |
-- |
hydrophopic |
|
|
Water Solubles Content |
% |
<1.0 |
<1.0 |
|
FSMF-3 Series Fe3O4 Magnetic powder Technical Information
|
Pragrammer |
Unit |
FSMF-3 |
FSMF-3T |
|
Saturation Magnetisation |
emu/g |
82 |
82 |
|
Remanence |
emu/g |
10.5 |
10.5 |
|
Coercivity |
Oe |
120~130 |
120~130 |
|
Particle Size |
μm |
0.20 |
0.20 |
|
Oil Absorption |
ml/100g |
25±2 |
25±2 |
|
Specific Surface Area |
m2/g |
7.0 |
7.0 |
|
Tapped Density |
g/cm3 |
0.5~0.6 |
0.5~0.6 |
|
FeO |
Wt% |
23.5~25.5 |
23.5~25.5 |
|
PH |
- |
7.0 |
7.0 |
|
shape |
- |
polyhedral |
polyhedral |
|
SurfaceTreatment |
-- |
-- |
hydrophopic |
|
Water Solubles Content |
% |
<1.0 |
<1.0 |
All data listed in the above form is just for your reference. Detailed information is used according your demand. As material this powder are applied in copy machine type machine, and magnetic toners.
SEM appearance

spherical shape spherical shape hydrophopic surface treatment

cubic shape polyhedral shape
Surface features
Hydrophobic surface, it can live in the wide wet environment, strengthen the magnetic antioxidant capacity;
* has Oil-powder on the surface, it can improve the affinity with the resin;
* Improve the magnetic properties;
* has Oil-powder on the surface, it can improve the affinity with the resin;
* Improve the magnetic properties;
Strengthen the characteristics of magnetic powder, to better spread and mixed.