FH-X5-90
Chemical composition(%)
MgO, SiO2, CaO, Fe2O3, Al2O3, ferromagnetic particles ≥97.0, ≤1.0≤1.0, ≤0.45, 0.20, ≤0.03
Type: general powder
Specification: X5-90
Chemical composition(%)
MgO,SiO2,CaO,Fe2O3,Al2O3,ferromagnetic particles
≥97.0,≤1.0≤1.0,≤0.45,0.20,≤0.03
Mesh distribution (%)
|
Mesh |
40-90 |
100 |
150 |
200 |
320 |
-325 |
|
Content (%) |
0-2 |
4-8 | 30-40 | 28-35 | 15-25 | 0-8 |
Tap density
2.25-2.28g/cm3
Flow performance
3# Ford cup (φ2.165mm-2.185mm): 160-240 s/100g
4# Ford cup (φ3.97mm-4.01mm): 38-45s/100g
Electrical properties

Test Conditions:
Tube…………incoloy840
Shrink tube…………φ8.0mm → 6.6mm
Wire…………Ni80cr20, φ0.3mm
Coil…………φ2.2mm
Heating length…………43.0cm-47.0cm
Power-on time...15 minutes
Note: The figure shown is the typical performance value of the electrical grade magnesium oxide powder of this specification, for the user's reference when choosing.
