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Corundum Mullite Bricks
Corundum Mullite Bricks

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Corundum Mullite bricks for blast furnaces were made from fused or sintered corundum and mullite,being high pressure pressed and

1.Properties:

 

Corundum Mullite bricks for blast furnaces were made from fused or sintered corundum and mullite,being high pressure pressed and sintered in high temperature.Main minerals compositions are mullite and corundum phases. White appearance,accurate size,excellent physical/chemical properties in high temperature make them as one of the materials used for Ceramic cup of blast furmaces of big capacities.

 

2.Physical and Chemical Index

 

Item

GM-80

GM-75

Al203, %          min

80

75

Fe2O3, %         max

0.8

1.5

Refractoriness     min

1800

1800

RUL                  min

1700

1650

P.L.C.              % 1430 X 3h

0-0.5

0-0.5

A.P.               %   max

18

18

CCS                 MPa    min

100

80

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