| abstract |
[Problem] To provide a large tile adhesive having excellent workability, durability, and strength development. SOLUTION: (A) 24 to 99 parts by mass of fine aggregate, (C) 3 to 25 parts by mass of polymer, (D) cellulose derivative or cellulose derivative and starch with respect to 100 parts by mass of hydraulic substance A tile adhesive comprising 0.13 to 0.5 parts by weight of a water retention agent having an active ingredient as an active ingredient and (E) 0.4 to 5 parts by weight of an alkaline earth metal sulfate, wherein (C) a polymer And (E) the alkaline earth metal sulfate mass ratio [(C) / (E)] is 2 to 19 in terms of polymer solids, and (D) the mass ratio of the water retention agent and (C) polymer [(D ) / (C)] is a large tile adhesive having a polymer solid content of 0.015 to 0.10. [Selection figure] None |