产品信息 - Magnesia brick->Fireproof Series

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Magnesia brick

产品分类 :

建築及建材->防火材料->安全防火系列

产品规格

Model No: 02

Country	CN

产品描述

These bricks have the characteristic of high refractoriness, high basic slag resistance, and good thermal conductivity and etc.
Burned magnesia bricks are mainly used in basic open hearth furnace, holding furnace and the bottom and side-wall of electric furnace, bottom of heating furnace, inner lining of alkline-making furnace in paper-making factory and etc.
Magnesia alumina bricks are mainly used as lining for 1600??thermal equipment such as basic open hearth furnace roof, non-ferrous smelting and reflecting furnace roof and etc.
Magnesia chrome bricks are used in ferrous smelting furnace, cement rotary kiln and heat accumulating chamber of glass-making kiln and etc.

Magnesia Brick
1. MZ-89
MgO (%) >89
CaO (%) <3
Apparent porosity(%) <20
Cold Crushing Strength (MPa)>49
Initial Soften Point Under Load (0.2Mpa) >1540
Permanent Linear change on reheating(%) : -0.6

2. MZ-91
MgO (%) >91
CaO (%) <3
Apparent porosity(%) <18
Cold Crushing Strength (MPa)>58.8
Initial Soften Point Under Load (??0.2Mpa >1550
Permanent Linear change on reheating(%) : -0.5

Middle grade Magnesia Brick
1. MZ-95
MgO (%) >94.5
CaO (%) <2.5
Apparent porosity(%) <18
Cold Crushing Strength (MPa)>60
Initial Soften Point Under Load (0.2Mpa )>1620

2. MZ-95
MgO (%) >95.5
CaO (%) <2
Apparent porosity(%) <18
Cold Crushing Strength (MPa)>60
Initial Soften Point Under Load (0.2Mpa) >1650

High purity Magnesia Brick
1. MZ-97
MgO (%) >96.5
CaO (%) <2
Apparent porosity(%) <18
Cold Crushing Strength (MPa)>60
Initial Soften Point Under Load (0.2Mpa) >1680

2.MZ-98
MgO (%) >97.5
CaO (%) <1.5
Apparent porosity(%) <18
Cold Crushing Strength (MPa)>60
Initial Soften Point Under Load (0.2Mpa) >1700

Electric fused Magnesite Brick
1. DMZ-98
MgO (%) >97
CaO (%) <1.5
Apparent porosity(%) <18
Cold Crushing Strength (MPa)>40
Initial Soften Point Under Load (0.2Mpa) >1700

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