1.Magnesium Oxide manufacture 2 low iron and good insulation property 3.used for heating elements 4.ROHS
Characteristics
MTM is a medium temperature magnesium oxide powder with light silicone treatment. Mainly used in air heating elements of medium wattage loading. Elements stuffed with this material are proposed to be annealed at 300°c for 1or 2 hours.
Chemical Analysis(with some additive)
MgO | CaO | Al2O2 | Fe2O3 | SiO2 |
95 ± 3 | 1.2± 0.5 | 0.7± 0.3 | ≤0.50 | 2.5± 1.0 |
Particle Distribution: (ASTMstandard)
Mesh | +40 | -40~+60 | -60~+80 | -80~+140 | -140~+200 | -200~+325 | -325 |
Quantity(%) | 0-0.1 | 32±6 | 20±4 | 23±5 | 10±4 | 10±4 | 3±3 |
Tap Density
2.35± 0.03g/cm3
Flow
Ford Cup No.3(φ2.165mm-2.185mm)155±15s/100g
Ford Cup No.4(φ3.97mm-4.01mm)34±4s/100g
Electric Grade Magnesium Oxide
