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Chemical and Physical Data
Chemical Composition (refractory fiber only): Total Al2O3
and SiO2 >97% (Al2O3: 47%), Fe2O3: < 1.1%
Refractory fiber content: > 85%
Weight Loss(1800°F):
8-10%
Fiber Physical Properties: Fiber Diameter: 2 - 4 microns, Fiber Length:
100 - 250 mm,
Fiber Shrinkage (1800 °F,
3h): < 3.5%
Working Temperature : 1800° F
for Continuous Use, 2300° F
Maximum
Insulation
Properties:
Working
Temperature
Thermal Conductivity of Fiber
BTU/sq.ft.
°F/in)
( W/m
°K)
570°F
0.84 (0.12)
1,100
°F
0.91 (0.13)
1,800
°F
1.19 (0.17)
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