Specifications Magnesium Oxide Powder high temperature for Electrical heating elements. SGS and ISO9001 Certificate.
Characteristics HTM is a high temperature magnesium oxide powder with light silicone treatment , mainly used in air heating elements of medium or high wattage loading. It can stand 1050°c annealing and requires immediate sealing. Chemical Analysis (with some additive)
MgO | CaO | Al2O2 | Fe2O3 | SiO2 |
95 ± 3 | 1.2± 0.5 | 0.7± 0.5 | ≤0.40 | 2.5± 1.0 |
Particle Distribution: (ASTMstandard)
Mesh | +40 | -40~+60 | -60~+80 | -80~+140 | -140~+200 | -200~+325 | -325 |
Quantity(%) | 0-0.1 | 30±4 | 22±6 | 23±5 | 10±4 | 10±4 | 3±2 |
Tap Density 2.38± 0.03g/cm3 Flow Ford Cup No.3(φ2.165mm-2.185mm)150±15s/100g Ford Cup No.4(φ3.97mm-4.01mm)34±4s/100g