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fireclay insulating brick

product details

fireclay insulating brick 

vthe main raw material is hard-clay processed materials, the bond is the clay that is plasticity and excellent mineral fines of diatomaceous earth. the product is formed by engineering pressing and extrusion. it is used to the thermal coating and kiln hood lining that can prevent higher temperature and corrosive gases. it contains steady chemical components, higher intensity, and better refractory effects. it is hard to find the refractory material.
vit is used to the thermal coating and kiln hood lining that can prevent higher temperature and corrosive gases.

item

unit

cm-ng

-1.2

cm-ng

-1.0

cm-ng

-0.8

cm-ng

-0.6

cm-ng

-0.5

test method

bulk density /g/cm3,              ۽

g/cm3

1.25

1.0

0.8

0.6

0.5

gb/t2998-2001

(iso 5016-1997)

compressive strength /mpa,   

mpa

4.4

3

2.0

1.5

1.18

gb/t5072-2008

(iso 8895-2004)

permanent linear change ≤2;

the testing temperature of 8h heat preservation

1350

1350

1250

1200

1150

gb/t3997.1-1998

(iso 2477-2005)

thermal conductivity ,

w/m.k

gb/t5990-2008

(iso 8894-2:1990)

at 2000c

0.40

0.40

0.30

0.20

0.15

at 4000c

0.42

0.42

0.33

0.24

0.18

at 6000c

0.47

0.47

0.39

0.27

0.21

at 8000c

0.49

0.49

0.41

0.29

0.23

at10000c

0.51

0.51

0.43

0.33

0.25

tolerance of length

mm

±2

                     width

mm

±1

                     thickness

mm

±1

 
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