HEAT INSULATION BOARD MADE FROM FLY ASHES
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United States of America Patent
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Issued Date -
Jul 2, 2009
app pub date -
Dec 29, 2007
filing date -
Dec 27, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a kind of fly ash heat preservation board. It is made of mixed foam slurry and stuff solid in the mould. Main materials of the stuff include light burring magnesium powder, magnesium chloride solution, fly ash, oxalic acid and glass fiber. Proportion of main materials of the above-mentioned stuff is: fly ash 200 portions, light burning magnesium powder 100-150 portions, oxalic acid 1-2 portions, glass fiber 5-15 portions. Wherein said magnesium chloride is 28-32 Degree Baum'e magnesium chloride water solution, the addition quantity is 40-75 portions. Wherein said vesicant is animal protein vesicant, foam diameter should be controlled between 0.1˜1 mm, it can be maintained naturally after being mounded. The invention improve anti-pressure intensity of board, which benefits for increasing foam quantity, lowing board density and improving heat preservation performance.
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