Characteristic

*         Contain pure Alumina fibers

*         Can withstand temperature up to 3000^o F

*         Fibers are bonded by binder

*         Asbestos free

*         High density and high mechanical strength

*         Can withstand gas flow velocity of  30 m/sec

Application

*         Furnace with high temperature , high gas flow velocity and where high mechanical strength is required

Classification temperature

1600^oC (3000^o F)

Specification

Average

Bulk density

kg / m³

> 300

350

Liner shrinkage

1400^o C x 24 hrs

%

<  2

0.4

Thermal conductivity

Kcal/mh^o   C (W/mK)

350kg/m³

ASTM C201

mean 800^oC

mean 1000^oC

<  0.19 (0.22)

<  0.24 (0.28)

0.11 (0.13)

0.14 (0.16)

Chemical composition %

Al₂O₃

>  75.0

85

Al₂O₃ + SiO₂

>  98.0

99

Dimensional

tolerance

Length

1000 mm

+ 3 mm

- 2 mm

Width

600 mm

+ 3 mm

- 2 mm

Thickness

+ 2 mm

- 2 mm