Characteristic

*         Alumina fiber

*         More effectively needled blanket

*         Non-combustible

*         Can withstand temperature up to 3000^o F

*         Contain no organic binder

*         Asbestos free

Application

*         Direct exposure to heat as furnace hot face lining

*         Joint seal

Classification temperature

1600^oC (3000^o F)

Melting point

1760^oC (3200^o F)

Specification

Average

Bulk density

kg / m³

<  110

108

Liner shrinkage

1500^oC x 24 hrs

%

<  3.0

1.0

Shot content

 >212micro meter

%

< 3

0.11

Thermal conductivity

Kcal/mh^o   C (W/mK)

ASTM C201

128kg/m³

Mean 600^oC

Mean 800^oC

Mean 1000^oC

<  0.14 (0.16)

<  0.20 (0.23)

<  0.27 (0.30)

0.09 (0.10)

0.13 (0.15)

0.18 (0.21)

Specification

Average

Chemical composition %

Al₂O₃

>  86

86.0

Al₂O₃  + SiO₂

>  99.7

99.8

Dimensional

Tolerance

Length

7200 mm

+ 4 %

- 0 %

Width

600 mm

+ 5 %

- 5 %

Thickness

 25

+ 3 mm

- 1 mm