Aqueous systems containing silanes to return to masonry surfaces water repellent.

摘要

ARISE AQUEOUS EMULSION (A) A hydrolyzable silane having the general formula R-Si- (R '') 4-n wherein R is a hydrocarbon containing from 1 to 20 carbon atoms, R '' it is a hydrolyzable group and n is 1 or 2, and oligomers of them, for example, dimers and trimers, and other oligomers, (B) an agent emulsifier having an HLB value of 4 to 15 and (C) WATER.