Characteristic

·         Low iron oxide       

·         Low  thermal conductivity 

·         High spalling resistance

Application

·         Hot face lining 

·         Back up insulation

·         Reducing atmosphere furnace

Classification temperature

1538^o C ( 2800^o F )

ASTM

SPECIFICATION

AVERAGE

Bulk density

g / cm³

Group 26

   0.96 max

   0.78

Thermal conductivity

W / mK

(kcal / m h^o C)

at 350^oC JIS R2616

at 400^oC ISO 8894

at 600^oC ISO 8894

at 800^oC ISO 8894

   0.26 (0.22)

   0.34 (0.29)

   0.37 (0.32)

   0.41 (0.35)

Cold crushing strength

Mpa

kgf / cm²

C 93

-

-

   1.4 

  14

Modulus of rupture

MPa

kgf / cm²

C 93

-

-

   1.3

  13

Reheat shrinkage

at ^o C x 24 hrs

at ^o C x 8 hrs

%

C 210

JIS R2613

    2.0 max

  0.73 (1510^oC)

  0.40 (1500^oC)

Thermal expansion at 1000°C

JIS R2617

-

   0.48

Chemical analysis - JIS R2216

%

Al₂ O₃

-

  52.4

Si O₂

-

  45.0

Fe₂ O₃

-

   0.7

Dimensional tolerance - JIS R2150

mm

length

230

+ 3.5

+ 1.0

width

114

+ 2.0

+ 1.0

thickness

65

+ 2.0

+ 1.0

Recommended Mortar

IM-1600    

Standard Packing

10 pcs / pack for standard size