Patent ID: 7276551

Claim:
A cement composition consisting of a binding agent, a cement and a filling material, said binding agent consisting of: i. an acrylic polymer emulsion containing between 52 and 54% solid weight; ii. a vinyl acetate/ethylene copolymer emulsion containing between 40 and 60% solid weight; and iii. water, added in a ratio of 1:1 to 3:1 measured relative to the volumes of the acrylic polymer emulsion and vinyl acetate/ethylene copolymer emulsion; said mixture resulting having a pH between 6 and 8; and said cement consisting of: iv. three (3) parts, by volume of said binding agent, of a Portland cement; and seven (7) parts by volume of said binding agent, of an inorganic aggregate selected from the group consisting of sand and-silica with a maximum size of 80 Mesh.