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specialhigh alumina brick

product details

 specialhigh alumina brick

v
produced by superfine alumina bauxite and special additive.
vit has high bulk density, low porosity and low creep under load at high temperature.
v-application:  it can be used for the lining of bake oven, used as flue wall bricks.

item

unit

cm-al-1

test method

ai2o3

%

58

gb 6900

fe2o3

%

1.6

gb 6900

k2o na2o

%

0.8

gb 6900

cao mgo

%

0.7

gb 6900

apparent porosity

%

19

gb/t2997-2000

(iso5017-1988)

bulk density

g/cm3

2.45

gb/t2997-2000

(iso5017-1988)

cold crushing strength

mpa

50

gb/t5072-2008

(iso10059-1-1992)

folding strength at 13500c*0.5hours

mpa

6

gb/t3002-2004

(iso5013-1985)

refractoriness under load 2kg5/cm3

0c

1550

gb/t5989-1998

(iso1893-2005)

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email: [email protected]
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