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Fe3O4 Magnetic powder

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;
Strengthen the characteristics of magnetic powder, to better spread and mixed.