Items

Unit

Index

Chemical

composition

Al2O3

%

44 min

Al2O3+ SiO2

%

96 min

Fe₂O₃

%

1.2 max

K2O+Na2O

%

0.5 max

Theoretical volume and density

kg/m3

96/128

Refractoriness

℃

1050-1400

Shrinkage on heating (950℃×24h)

%

3 max

Theoretical thermal conductivity (Average 200℃)

w/m.k

0.045-0.060

Specification

mm

7200×610×20

Application:

1. The insulating material for wall lining and back lining of industrial furnaces and heating devices
2. Insulating materials of high-temperature equipment
3. Material to produce module/folded module