Alumina-magnesia refractory castables


The refractory castable using with corundum aluminum magnesia spinel and fused magnesite as raw materials,which is made of micro-power technology and additive agent.
  • Alumina-magnesia refractory castables
  • Alumina-magnesia refractory castables
  • Alumina-magnesia refractory castables
  • Alumina-magnesia refractory castables
  • Alumina-magnesia refractory castables
  • Alumina-magnesia refractory castables
  • Alumina-magnesia refractory castables
  • Alumina-magnesia refractory castables
Alumina-magnesia refractory castables
Alumina-magnesia refractory castables
Alumina-magnesia refractory castables
Alumina-magnesia refractory castables

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Description

The refractory castable using with corundum aluminum magnesia spinel and fused magnesite as raw materials,which is made of micro-power technology and additive agent.

 

Performance:  

  • Good construction function with refractory castable
  • High strength, good volume stability.
  • High erosion resistance and washout resistance  
  • Good thermal shock resistance  
Application

The refractory castable is used for large and middle ladle lining and also can be made into casting brick.  

Specification:

Brand

Index

GMJ-80

LMJ-70

LMJ-65

LMJ-60

chemical %

Al2O3

≥80

≥70

≥65

≥60

MgO

≥8

≥8

≥8

≥8

bulk density g/cm3

110°C×24h

≥2.75

≥2.65

≥2.5

≥2.4

drying linear change %

110°C×24h

0- -0.4

0- -0.4

0- -0.4

0- -0.4

rupture strength MPa 

110°C×24h

≥5

≥6.5

≥7.5

≥7.5

CCS

≥15

≥20

≥25

≥20

initial setting time min

≥45

≥45

≥45

≥45

final setting time h

≤24

≤24

≤16

≤16

working temperature °C

≥1730

≥1730

≥1700

≥1680

 

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