hpmc for tile adhesive

Tile Adhesive Questions and Answers

Question 1 What is ceramic tile adhesive?
Answer: Ceramic wall and floor tile adhesive is a kind of building material used to paste wall and floor tiles on the base. Referred to as tile adhesive, also known as adhesives, binders and so on.
Question 2 How are tile adhesives classified? .
Answer: Classification method:
1) Classified by product chemical components: cement-based adhesive (C), paste emulsion adhesive (D), reactive resin adhesive (R).
2) Classified by performance: ordinary type (1), enhanced type (2), fast hardening (F), anti-slip (T), extended open time (E), flexible (S1), high flexible (S2). Currently on the market, cement-based tile adhesives are the main ones. Commonly referred to as tile adhesive refers to cement-based tile adhesive.
Question 3 What is the difference between cement-based tile adhesive and traditional cement mortar?
Answer: Cement mortar is only a mixture of cement, fine sand and water; while tile adhesive adds special additives on the basis of cement mortar to adjust setting time, improve cohesive force and water retention, improve slip resistance, Counteracts properties such as cement shrinkage.
Advantages of using tile adhesive:
(1) Advanced technology. Tile adhesive has good water retention capacity, and neither the tile nor the substrate need to be pre-soaked or wetted during construction. Tile on uncured tile adhesive will also not slide if enough additives are used and the ratio is correct. In this way, there is no need to insert a locator between the tiles, and the tiles can also be constructed from the top to the bottom, and the construction efficiency and construction quality can be greatly improved.
(2) Save material consumption. A 2~3mm adhesive layer can also produce sufficient adhesive force, which can greatly reduce the amount of material used.
(3) It can guarantee the quality of the project. The tile adhesive has strong adhesion, which can reduce the possibility of delamination and peeling, ensure the quality of the project, and avoid the problems of hollowing and cracking after long-term use; it can reduce the chance of cracks to enhance the protection function of the wall.
(4) Stable product quality. The factory pre-dry mixed, the quality is stable. Just add water and stir at the construction site, which is simple and convenient, and the quality is easy to control.
(5) Conducive to environmental protection. It can reduce waste, has no toxic additives, and meets environmental protection requirements.
Question 4 What do the letters and numbers of tile adhesive C2TE S1, C1FT, R2T, and D2TE represent.
Answer: C cement-based adhesive, R reactive adhesive, D paste emulsion adhesive, 1 ordinary adhesive, 2 enhanced adhesive, T anti-slip, E extended open time, F rapid hardening, S1 flexible, S2 high flexible.
Question 5 What are the main performance indicators of tile adhesives?
Answer: Mainly the tensile bond strength (original, after soaking in water, after heat aging, after freeze-thaw cycles, after airing), and airing time. It can add early tensile bond strength, extended open time, anti-slip performance, lateral deformation performance, and water retention and wetting performance.
Question 6 What is the difference between S1 and S2, C1 and C2?
Answer: The deformation capacity of S1 is 2.5mm~5mm; the deformation capacity of S2 is ≥5mm. The main difference between C1 grade tile adhesives and C2 grade tile adhesives is the tensile bond strength. The industry standard requires that the tensile bond strength of C1 grade needs to reach 0.5MPa, and the tensile bond strength of C2 grade needs to reach 1.0MPa. Generally, C1 grade tile adhesive is only suitable for pasting small size tiles indoors and outdoors.
Class C2 is suitable for pasting indoor and outdoor vitrified tiles and stone materials.
Question 7 Does the tile adhesive contain substances harmful to the human body?
Answer: Most cement-based tile adhesives are materials with very low VOC content.
Question 8 What are the methods to judge the quality of tile adhesive?
Answer: 1) High-quality tile adhesive with uniform thickness; after adding water and stirring, it will be uniform and thick slurry. 2) Construction: Moderate curing time, long airing time, good wetting ability, and strong slip resistance. 3) Use performance: tensile bond strength (original strength, after immersion in water, after heat aging, after freeze-thaw cycle), transverse deformation meets the requirements, etc.

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