Home decoration environmental protection has become the consensus of people's decoration. Many consumers pay great attention to environmental protection indicators when choosing wall paint, flooring, wallpaper, tiles and other decoration materials. However, in the renovation of the ubiquitous adhesive, its environmental protection is easily overlooked, unqualified adhesives often become the "invisible killer" of indoor decoration pollution.
Differentiating and identifying adhesives
In general, any non-metallic material that can adhere a material to the surface of another material and achieve certain physical and chemical properties can be called an adhesive. Adhesives used in decoration can be divided into the following categories according to their performance, characteristics and specificity:
1, white latex
It is mainly applied to the bonding of wood keel bases, wooden bases and finished wooden surface laminates. It is also suitable for wall wallpapers, plastering of wall surfaces and increasing the strength of gels. The main component of white latex is a vinyl acetate monomer polymer that can be emulsified in water.
White latex is glued by evaporation of water, and the operation is relatively simple and safe. The curing speed is faster at room temperature, the bonding strength is better, and there is basically no expansion and contraction, the bonding life is longer, and the bonding is elastic.
2,108 glue
108 glue 107 gel upgrade product, is a polyvinyl alcohol reaction synthesis of water-soluble colloid, this colorless and transparent new building materials, low formaldehyde content, good bonding properties, strong binding ability, anti-bacterial anti-aging .
108 glue is suitable for affixing wall and floor tiles in indoor normal temperature environment, and can also be used for wallpaper paste. However, the grass-roots should be compact without floating ash. If the wall surface is loose or smooth, an interface agent is required for interface treatment.
3, interface agent
The interface agent is generally milky white glue with good permeability, which can fully wet the wall base layer, make the base layer dense, improve the interface adhesion of the smooth base layer, ensure the solid and reliable cement coating, and improve the adhesion of putty, mortar and wall surface. Strength, prevent emptying.
The interface agent is suitable for the interfacial treatment of the wall surface scraping putty or the plaster before the plastering. It is also suitable for the cement lapping treatment of the basement wall surface pasting the tile, and it can also be applied to the pasting wall fabric.
4, floor, stone adhesive
This kind of adhesive can be specially used for the bonding of the floor and the stone. The regular floor glue has a short solidification time, high bonding strength, and a long service life. The common stone adhesive is a marble adhesive and is mainly applied to various The marble docking, repair and installation of the finished sheet material, the marble glue solidified quickly, without expansion and contraction, but subject to impact fragile.
In addition to the more commonly used adhesives, there are adhesives for wallpaper glue, glass glue, waterproof sealant, etc. In the decoration, the adhesive used by the construction team should understand its performance in detail, especially whether the environmental protection index can meet the standards. Avoid decoration pollution.
Environmental testing is essential
Adhesives are "little brothers" in the decoration materials, but their environmental performance can affect the "green effect" of the overall home improvement. Therefore, when selecting adhesives, it is important to check the environmental performance of the adhesive. If the adhesive is provided by the constructor, it must be checked whether the adhesive is an environmentally friendly material before the material enters the market. Be alert to workers using fake and shoddy products to steal posts.
To ensure the environmental performance of adhesives, we must first ensure the “originality†of the adhesives. It is indispensable to check the details of the manufacturer, the date, and the validity period. The formal adhesives have environmental testing reports, and the test reports are correct. The standard name and number of the adhesive, the name of the sample, the production unit and lot number, the sampling method, the name and model of the instrument used, the inspection result, the abnormality during the inspection, the inspection person and the inspection date are all marked in detail.
If the test report data confused, the simplest way is to directly smell the taste of adhesives, especially liquid and paste adhesives, if it contains formaldehyde, toluene, xylene and other harmful substances, will drift out Stimulate the smell.
Beware of shoddy businesses
The types and brands of adhesives are numerous, especially the lack of a standardized building materials market. Take 108 glue as an example, 108 glue is an upgraded version of 107 glue, but some businesses still use 107 glue containing formaldehyde, change the package and sell it as 108 glue.
The difference between 107 gel and 108 gel is very simple: open the package carefully observe the glue for a few minutes at close range, if the eyes, nose, throat, etc. have no abnormal feeling, it is 108 glue; otherwise, if the eyes feel spicy, the eyes feel dry itchy throat Nostrils can smell obvious odor is 107 glue.
The genuine 108 glue formaldehyde and preservative content are all very low, so the 108 glue is used for a short period of time, about six months or so, and it is stored in a non-air-conditioned environment. The valid period is only three or four months. The 107 glue is valid for about one year.
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