摘要 |
FIELD: chemistry.SUBSTANCE: mixture for gluing tiles is intended for gluing ceramic tiles and plates from natural stone and contains, wt %: Portland cement - 30-34.5, quartz sand - 55-59.5, limestone - 5-7, cellulose ether - 0.20-0.25, copolymer of vinylacetate and vinylversatate - 1.0-1.5, copolymer of melamine sulphoacid and formaldehyde - 0.3-0.5, calcium formate - 1.0-1.2.EFFECT: improvement of mixture wetting capacity and increase of strength of its cohesion with glued surface on the first day of solidification.2 tbl |