Chemical composition

MgO ≥ 97%-99%
Al₂O₃ ＜ 3%
SiO₂ ＜3%
CaO ＜1.1
Fe₂O₃ ＜0.1%

Density≥2.3g/cm³

Appearance : vertical ,white or yellow , smooth surface, inner holes distributing uniformly

Features:

*the stable quality well.

*used by almost 35% coil heater/cartridge heater factory in China.

*MgO composition 98.19%-99.56%, test based on GB/T 6900-2006 & GB/T 5069-2015 .

*does not swell in high temperature ,1300℃ etc..

*ensure straight, not bending, can make longer rod 600-1000mm etc., or more.

Usage

magnesia tube used in heating element, especially in cartridge heaters
single hole Mgo oxide tube,MGO ROD
used for tubes with double-sides,
used for heating two-terminal electric heating element.