Specifications

Magnesia Refractory Brick
1.Magnesium content is over 95%
2.Refractoriness can be up to 1750 C
3.Mainly used as checker birck

  Magnesia Refractory Brick

 

  

 

Features      

1.High purity, low porosity and alkaline property made it has good basic slag resistance

2.High refractoriness under load

3.Has excellent refractoriness  

 

Applications

Magnesia brick is widely used in the basic open hearth furnace in iron&steel industry, bottom and sidewalls of electro furnace, oxygen furnace, non- ferrous  metal melting furnace, high temperature tunnel kiln and cement rotary kiln. It is mainly used as the checker brick of regenetator chamber of glass furnace.

 

Physical properties and chemical composition

 

Item		Behaviors
		Fused Rebinding Magnesia Brick
		DMZ-95	DMZ-96	DMZ-97	DMZ-98
Chemical composition	MgO %	≥95	≥96	≥97	≥97.5
	SiO2 %	≤1.5	≤1.2	≤1.0	≤0.5
	CaO %	≤1.5	≤1.2	≤1.2	≤0.6
Apparent Porosity %		≤18	≤18	≤17	≤15
Cold Crushing Strength Mpa		≥55	≥60	≥60	≥60
0.2Mpa Refractoriness Under Load T0.6		≥1650	≥1680	≥1700	≥1700
Bulk Density g/cm3		≥2.95	≥3.0	≥3.05	≥3.05
Thermal Stability 950°C Wind cycles		≥15	≥20	≥20	≥20

 

Trading Process

 

 

 

 

   

 

 

 Brief Introduction of Sunrise

 

 

Zhengzhou Sunrise Refractory Co., Ltd. is mainly engaged in the production and development of refractory 

 

materials for glass , petrochemistry, metallurgy, construction and nonerrous metal industries. Our main

 

products include fused cast AZS 33, 36,41, fused cast αβ alumina brick, crucibles, furnace fireclay bottom 

 

block, silica, high alumina, magnesia, corundum, chrome, zircon, mullite, zirconia mullite, silicon carbide, 

 

sillimanite, alumina bubble bricks, various insulation bricks, and ceramic fiber products,etc.