The strength requirements for tile grout on the ground must have high bonding strength and wear resistance. Accommodates the deformation between large-size bricks and stones, thus prolonging the service life of facing bricks.
The formulation of floor tile grout should use different types of products according to different environments and occasions. Using multiple jointing agents to replace all tile jointing agents in different settings and circumstances will often cause quality problems.
Among various lightweight building materials, light steel keel and paper-faced gypsum board are often used as partition walls or ceilings and are widely used in multiple construction projects because of their low cost, good fire resistance, and easy construction.
Gypsum board walls and ceilings are the same as traditional materials. However, cracks may appear in different degrees during use, especially in suspended ceilings. There are many reasons for cracking. The main reasons are inappropriate joint filling agents, joint tape, and improper construction.
(1) Product characteristics
1) Good compatibility with plaster wall and ceiling joints, high joint strength;
2) High tensile strength, good shear resistance, high bending, and breaking load;
3) No cracking, easy construction
(2) Scope of application
Gypsum board caulking powder is suitable for building walls, ceilings, and civil, industrial, and office partitions.
Research on various Drymix mortar additives 
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