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Tiles are a widely used decorative building material and are favored by people because of their beautiful appearance. In many people's impressions, tiles are cemented, so when you think about tiles, you think of cement, and even think of some cement marks after tiles fall off. In fact, installation of tiles can not use cement, tile adhesive is a very good substitute for cement, tile adhesive tack powerful, not only cement tiles, can also be used to install gypsum board and fiberboard, etc., is an application Very extensive building materials. So, do you know how to use tile adhesives ? I believe we all want to know the answer. Here's a detailed introduction to the use of tile adhesives , hoping to help everyone.
First, what is tile adhesive
Tile adhesives, also known as tile adhesives or adhesives, viscose mud and other various names, are new materials for modern decoration, replacing the traditional cement yellow sand, the adhesive force is several times that of cement mortar can effectively paste large Tile stone, to avoid the risk of falling bricks. Good flexibility to prevent empty production. Mainly used for pasting tiles, tiles, floor tiles and other decorative materials, widely used in interior and exterior walls, floors, bathrooms, kitchens and other architectural decoration decorative places. Its main features are high bonding strength, water resistance, freeze-thaw resistance, good aging resistance and easy construction. It is a very ideal bonding material.
Second, tile adhesive advantages
Relative to cement, tile adhesive has many advantages, such as the use of tile adhesive can save more space than cement, tile adhesive as long as a thin layer can be, and cement is relatively thick; tile adhesive force is strong, if construction When the process is up to standard, the tiles are very firm; they can also reduce waste, no toxic additives, and comply with environmental requirements.
Third, the use of tile adhesive
The construction wall should be wet (external wet and dry), and maintain a certain degree of flatness, uneven or extremely rough parts using cement mortar and other materials leveling; base layer must remove floating ash, oil, wax, so as not to affect the degree of adhesion; After the tile is pasted, it can be moved and corrected within 5 to 15 minutes. The water-cement ratio is about 1:4. The uniformly mixed binder should be used up within 5-6 hours (at a temperature of about 20 degrees); the mixed binder should be applied to the back of the bonded tile, and then Press hard until it is level. The actual consumption of different materials is different, generally at least about 4.5 to 6 kg per square meter, paste thickness of about 2 ~ 3mm.
Use common sense:
1, deacetic acid type:
Fast vulcanization, good transparency, but release of acetic acid during curing; pungent odor, and corrosion of metals, coated glass and some inorganic materials.
2, dealcoholic TC:
Low curing shrinkage, small immersion in water, no corrosion to most substrates; poor adhesion to fluorocarbons, plastic steel and white marble; construction at high temperatures will result in alcoholicity due to fast reaction Small molecules cannot be volatilized in time, and the formation of bubbles affects the quality of construction. Detachable type TW: good adhesion can be applied at a suitable high temperature, will not produce air bubbles; microscopic corrosion of copper and mirror industry. And the shrinkage rate is larger than the alcohol type.
Use restrictions:
Non-structural adhesives are forbidden to be used for structural assembly; Not suitable for the surface of building materials that seeps out grease, plasticizers or other solvents; Not suitable for frosted or wet surfaces, buried underground for long periods of time or long-term soaking occasions; not suitable for painting On the surface, sealing failure may occur due to cracking or flaking of the paint film; it should not be used in places where it will directly contact food or be subject to mechanical wear; it should not be used when the surface temperature of the building material is lower than 4°C or higher than 40°C.
3, deacidification type:
Acid gel should not be used on cement and stone, because the acid glue will produce acetic acid, which will react with the surface of alkaline materials such as cement and stone to form a chalky material that will cause shedding. The coefficient of expansion of the substrate is larger. Displacement or vibration, when the glue is used in the construction is too thin, are likely to cause the wrinkling phenomenon of the surface after the neutral glue is solidified; if the neutral glue and the acid glue are used at the same time, it may cause the neutral glue yellow; (1) high temperature application Glue, high temperature curing; curing speed is too fast, the rate of releasing methanol is greater than the rate of methanol seeping out from the colloid, so that the methanol is condensed and vaporized to produce bubbles; (2) the sizing is too thin, less than 6mm
(3) Foam rods (bars) cause foaming (open-cell foam strips); moisture; foam strips are incompatible and chemical reactions occur; (4) irregular sizing and repeated scraping. All 4 above can cause blistering after sizing.
Pay attention not to excessive extrusion in the construction trimming, otherwise it will easily cause deformation of the cushion foam stick, after which the foam stick will gradually recover, leading to swelling of the sealant as a whole; during the construction, the correction time shall be extended as much as possible within the construction allowable range, and at the same time Operation, the use of scraper from the bottom of the seam to trim the edge, you can avoid the uneven surface of the strip after curing and a small amount of sagging; due to the different types of profiles in the market, it is recommended that customers use their own batch of plastic products before the simple The cohesiveness test can be widely used after approving the quality of the product. This is to ensure the quality of the project and also protect its own interests.
Edit Summary: The above is what is related presentations tile adhesive tile adhesive method of use, a lot of the advantages of tile adhesive, cement and other traditional materials in terms of relatively advanced technology, saving material consumption, to ensure project quality and environmentally friendly, is in housing renovation A good choice. However, this does not mean that tile adhesive is the best choice for all people. On the one hand, the use cost of tile adhesives in the market is higher than that of cement. On the other hand, the construction process must also be considered, and its requirements for construction technology The cement should be high. If tile adhesive is used improperly, the effect will be greatly discounted. Therefore, when choosing cement or tile adhesive , we must choose the best product according to our actual situation.
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