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Clay Brick

Clay brick is a common type refractory brick. Common clay brick has international standard clay brick, hot stove use clay brick.

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Clay Brick

clay brick

 

clay bricks is a kind of refractory fire clay brick, the bauxite and flint clay as main raw material, the binder according to the proportion, then forming the low porosity clay products after mixing, molding, and drying. Clay fire brick is one of the most common fire bricks. Its Al2O3 content is between 30% and 48%. The clay bricks are made of refractory clay or kaolin and clay clinker combined with clay, which is formed by roasted at the temperature of 1250-1420℃.

 

Physical and chemical indexes of clay brick:

Item Clay brick
SK30 SK32 SK34 SK35
Al2O3,% ≥ 30 32 38 45
Fe2O3,%≤ 2.5 2.5 2 2
Softening Temperature under load,0.2Mpa 1250 1350 1370 1420
Apparent Porosity,% ≤ 22-26 20-24 20-22 18-20
Bulk density,g/cm3 1.9-2.0 1.95-2.1 2.1-2.2 2.15-2.22
Cold crushing strength,Mpa ≥ 20 25 30 40
Max Serivice Temperature,℃ 1150 1200 1250 1280
Application Boilers,Oven Stove,kiln,Reheating Furnace

 

Clay bricks standard dimensi

 

Refractory brick Type Refractory bricks dimensi Photo
 

 

 

Straight brick

 

 

 

230*114*65/75mm clay brick (6)
Wedge brick 230*114*55*45mm clay brick (7)
230*114*65*32mm
230*114*65*35mm
230*114*65*45mm
230*114*65*50mm
230*114*65*55mm
230*114*75*45mm
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