Cement-based powdered water-repellent composition, and its...

Details Cement-based powdered water-repellent composition, and its... Cement-based powdered water-repellent composition, and its...

C - Chemistry, Metallurgy

04

B

400/1, 261/50, 1

C04B 7/02 (2006.01) C04B 14/46 (2006.01) C04B 28/02 (2006.01)

Patent

CA 1124268

ABSTRACT OF THE DISCLOSURE This invention relates to a cement-based powdered water-repellent composition, comprising, expressed as dry weight : a) 20-60% of a cement, b) 30-703 of an inorganic or organic filler, c) 2-10% of a fibre selected from zirconium, hafnium, vanadium and cesium silicate fibres, d) 0.2-1% of plasticizers for cement, e) 1-3% of an adhesive, f) 0.1-0.5% of a water repellent. This composition is useful for the production of coatings and molded products, having very high mechanical strength and water-repellent properties. This composition may additionally contain 0.1-2% alkalinity-reducing buffer salts.

331904

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