A PROCESS FOR PREPARING A WATER REPELLENT MICRO EMULSION FOR WATERPROOFING CONCRETE SURFACES AND A WATER REPELLENT MICRO EMULSION

摘要

A micro emulsion for use as a water repellant on various cementitious substrate comprising a reaction mixture of solution A added to the solution B drop by drop over a period of 2 hours, wherein the solution A comprises surfactant mixed in de-ionised water by stirring in a homogeniser at a speed of 13500 rpm and mono carboxylic acid added to it maintaining the pH between 7 and 7.5 and the solution B is made of silane,added with silicone oil dimethyl siloxane or any other siloxane.