| 摘要 |
A fire-protective coating to be used with ordinary paints, or with fire-retardant paints, as a primer, as a filler or as both. The coating contains hydrated salt-forming compositions which produce, upon drying, crystallized water. For use as a primer, the coating contains a water solution of Al2(SO4)3 or other alums. For use as a filler, Al(OH)3 is employed.
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