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general fireclay brick

product details

general fireclay brick 

the
aluminium reduction cell and bake oven furnace use general fireclay refractory bricks as lining materials. the bricks were produced by friction press machine and sintered mainly with fine clay and chamotte which should have good thermal shock resistance and better acidic-erosion resistance.

--application:

vgrade “cm-n-2” used for the lining of pot, just bottom of the side silicon carbide nitride bonded blocks, all along the periphery.
vand grade “cm-n-1” used for the lining of bake oven, just bottom, side wall, end wall of oven.

item

unit

cm-n-2

cm-n-1

standards

ai2o3

%

42

42

         gb 6900

refractoriness

0c

1710

1750

gb/t7322-2007

(iso528:1983)

refractoriness under load 2kg5/cm3

0c

1350

1400

gb/t5989-1998

(iso1893-2005)

reheating linear change

%

13500c*2h

0.1-0.5

14000c*2h

0.1-0.4

gb/t 5988-2007

(iso2478-1987)

apparent porosity

%

24

23

gb/t2997-2000

(iso5017-1988)

cold crushing strength,

mpa

25

30

gb/t5072-2008

(iso10059-1-1992)

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