Characteristic

*         Economical

*         Can withstand temperature up to 1800^o F

*         Fibers are bonded by binder

*         Asbestos free

Application

*         Furnace with high gas flow velocity

Classification temperature

1000^oC (1800^o F)

Specification

Average

Bulk density

kg / m³

> 200

250

Liner shrinkage

900^o C x 24 hrs

%

< 3

1.3

Thermal conductivity

Kcal/mh^o   C (W/mK)

ASTM C201

250kg/m³

mean 400^oC

<  0.12 (0.14)

0.07 (0.08)

mean 600^oC

<  0.19 (0.22)

0.11 (0.13)

mean 800^oC

<  0.29 (0.34)

0.17 (0.20)

Chemical composition %

Al₂O₃

>  35.0

40.1

Al₂O₃ + SiO₂

>  90.0

94.4

Loss on ignition

%

< 7

6.5

Modulus of rupture

kg / cm²

> 3

5

Dimension

 tolerance

Length

1000 mm

+ 3 mm

- 2 mm

Width

600 mm

+ 3 mm

- 2 mm

Thickness

 10/12.5/20/25/50 mm

+ 1 mm

- 1mm