OXIDE SPECS. 
 

   The product data provided below represent the fundamental composition of the iron oxide products. These analytical values are to be used as guidance values only.

 

           Iron Oxide

        Soft Ferrite Iron Oxide Product Characteristics

(All Specifications are reported as Maximum Values)
  AM-UHP AM-100 AM-SF
  TYPICAL SPEC. TYPICAL SPEC. TYPICAL SPEC.
Cl-  wt. % 0.08 ≤ 0.10 0.10 ≤ 0.15 0.12 ≤ 0.15
SiO2 wt.% 0.004 ≤ 0.006 0.10 ≤ 0.012 0.010 ≤ 0.015
CaO wt.% 0.004 ≤ 0.006 0.15 ≤ 0.025 0.020 ≤ 0.030
Na2O wt.% 0.004 ≤ 0.006 0.10 ≤ 0.015 0.015 ≤ 0.025
Al2O3 wt.% 0.004 ≤ 0.006 0.10 ≤ 0.020 0.015 ≤ 0.030
MnO wt.% 0.004 ≤ 0.006 0.200 - 0.250  -
P2O5 wt.% 0.001 - 0.003  - 0.005  -
TiO2 wt.% 0.001  - 0.002  - 0.010  -
Cr2O3 wt.% 0.001  - 0.002  - 0.005  -
K2O wt.% 0.001  - 0.002  - 0.010  -
CuO wt.% 0.001  - 0.002  - 0.005 - 
*Fe2O3 wt.% 99.8 ≥ 99.5 99.5 ≥ 99.2 99.5 ≥ 99.1
Fe3O4 wt.% 0.0 - 0.0  - 0.0  -

Particle Size Microns

 0.50 ≤1.00 0.75 0.60 - 0.90 0.75 0.60 - 0.90
Surface Area (BET) m2/g 5.0 3.0-7.0 4.0 3.0-5.0 3.5 3.0-5.0

Loss of Moisture wt. %

 0.3 ≤ 0.4 0.3 ≤ 0.5 0.3 ≤0.5
Bulk Density (gm/cm3) 0.50 .45 - .56 0.50 .45 - .56 0.50 0.45 - .56

Soft Ferrite Grade Iron Oxide Product Characteristics

(All Specifications are reported as Maximum Values except Fe2O3 as a Minimum Value)

MIIHP MII100 MII150 MII200
TYPIC. SPEC. TYPIC. SPEC. TYPIC. SPEC. TYPIC. SPEC.
Cl-  wt. % 0.09 ≤0.125 0.10 ≤0.15 0.12 ≤0.15 0.13 ≤0.15
SiO2 wt.% 0.006 ≤0.008 0.010 ≤0.012 0.015 ≤0.018 0.020 ≤0.025
CaO wt.% 0.010 ≤0.015 0.012 ≤0.017 0.015 ≤0.020 0.020 ≤0.025
Na2O wt.% 0.005 ≤0.010 0.006 ≤0.012 0.007 ≤0.015 0.010 ≤0.020
Al2O3 wt.% 0.005 ≤0.010 0.006 ≤0.015 0.010 ≤0.020 0.020 ≤0.035
MnO wt.% 0.200 - 0.250 - 0.250 - 0.250 -
P2O5 wt.% 0.001 - 0.001 - 0.001 - 0.002 -
TiO2 wt.% 0.001 - 0.001 - 0.001 - 0.002 -
Cr2O3 wt.% 0.002 - 0.002 - 0.002 - 0.002 -
K2O wt.% 0.002 - 0.002 - 0.002 - 0.002 -
CuO wt.% 0.002 - 0.002 - 0.002 - 0.003 -
*Fe2O3 wt.% 99.5 ≥99.2 99.4 ≥99.1 99.3 ≥99.0 99.2 ≥99.0
Fe3O4 wt.% 0.0 - 0.0 - 0.0 - 0.0 -

Particle Size Microns

 0.75 0.60-0.90 0.75 0.60-0.90 0.70 0.60-0.90 .75 0.60 -0.90
Surface Area (BET) m2/g 3.5 ≥3.0 3.5 ≥3.0 3.5 ≥3.0 3.5 ≥3.0

Loss of Moisture wt. %

 0.3 ≤0.5 0.3   ≤0.5 0.3 ≤0.5 0.3 ≤0.5
Bulk Density (gm/cm3) 0.51 .45 -.56 0.51 .45 - .56 .51 .45 - .56 .51 .45 - .56

Hard Ferrite Grades of Iron Oxide Products

(All Impurity Specifications are reported as Maximum Values)
G600 G500 G400 G300
TYPIC. SPEC. TYPIC. SPEC. TYPIC. SPEC. TYPIC. SPEC.
Cl-  wt. % 0.17 ≤0.20 0.13 ≤0.15 0.12 ≤0.15 0.11 ≤0.15
SiO2 wt.% 0.05 ≤0.065 0.050 ≤0.055 0.040 ≤0.045 0.030 ≤0.035
CaO wt.% 0.04 ≤0.065 0.040 ≤0.055 0.025 ≤0.045 0.030 ≤0.035
Na2O wt.% 0.02 ≤0.040 0.015 ≤0.035 0.015 ≤0.030 0.020 ≤0.025
Al2O3 wt.% 0.08 ≤0.100 0.070 ≤0.090 0.070 ≤0.080 0.060 ≤0.070
MnO wt.% 0.300 - 0.300 - 0.275 - 0.250 -
P2O5 wt.% 0.025 - 0.025 - 0.025 - 0.025 -
TiO2 wt.% 0.015 - 0.015 - 0.015 - 0.015 -
Cr2O3 wt.% 0.025 - 0.025 - 0.025 - 0.025 -
K2O wt.% 0.010 - 0.010 - 0.010 - 0.010 -
CuO wt.% 0.010 - 0.010 - 0.010 - 0.010 -
*Fe2O3 wt.% 99.0 ≥98.5 99.1 ≥99.0 99.2 ≥99.0 99.3 ≥99.0
Fe3O4 wt.% 0.0 - 0.0 - 0.0 - 0.0 -

Particle Size Microns

 0.75 05-1.0 0.75 0.60-0.90 0.75 0.60-0.90 .75 0.60 - 0.90
Surface Area (BET) m2/g 3.5 ≥2.5 3.5 ≥3.0 3.75 ≥3.0 3.75 ≥3.0

Loss of Moisture wt. %

 0.3 ≤0.5 0.3 ≤0.5 0.3 ≤0.5 0.3 ≤0.5.
Bulk Density (gm/cm3) 0.55 .45 – .60 0.55 .45 - .60 0.55 .45 - .60 0.55 .45 - .60
 
 

 
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