Electric Grade Magnesium Oxide

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