| 摘要 |
A rock wool-based composition A intended for the manufacture of insulating, soundproofing and fireproofing coatings comprising 1 at least one product B as a powder containing at least a third in parts by weight of sodium or potassium bicarbonate, the remainder comprising calcium chloride and at least one sodium or potassium silicate and 2 at least one aqueous solution C of sodium or potassium silicate.
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