Characteristic

*         Can withstand temperature up to 2600^o F

*         Fibers are bonded by binder

*         Asbestos free

*         Can withstand gas flow velocity of  30 m/sec

*         Contain some pure Alumina fibers

Application

*         Furnace with high temperature and high gas flow velocity

Classification temperature

1400^oC (2600^o F)

Specification

Average

Bulk density

kg / m³

> 200

250

Liner shrinkage

1200^o C x 24 hrs

%

<  2

1.6

Thermal conductivity

Kcal/mh^o   C (W/mK)

ASTM C201

250kg/m³

mean 600^oC

mean 800^oC

mean 1000^oC

<  0.15 (0.17)

<  0.21 (0.24)

<  0.29 (0.34)

0.09 (0.10)

0.12 (0.14)

0.17 (0.20)

Chemical composition %

Al₂O₃

>  49.0

52

Al₂O₃ + SiO₂

>  98.0

99

Loss on ignition

%

< 8

6

Modulus of rupture

kg / cm²

> 3

5

Dimension

tolerance

Length

1000 mm

+ 3 mm

- 2 mm

Width

600 mm

+ 3 mm

- 2 mm

Thickness

+ 1 mm

- 1mm