Analysis of thermal conductivity of aluminium silicate fiber blanket: When the temperature of the fiber blanket is 1000 C, its thermal conductivity is only 15% of that of fireproof clay brick. Why does it have such low thermal conductivity? This can be analyzed from the following aspects. Refractory ceramic fiberboard

1 temperature. At different temperatures, the heat conductivity will correspond to the bulk density, which generally increases with the increase of temperature.

2 bulk density. The thermal conductivity of aluminium silicate fibers decreases with the increase of bulk density, but the decreasing range is decreasing. When the bulk density increases beyond a certain range, the heat conductivity will not decrease but increase.

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