PVA glue - characteristics for building Affairs .

PVA glue: technical specifications

PVA glue looks like a thick, creamy mixture with some smell of vinyl alcohol.In essence, this dispersion PVAD (polyvinyl acetate in water), plasticizers and various additives.With confidence we can say that PVA adhesive composition has such ingredients, non-toxic and completely harmless to skin.And all the additives are different ecological safety.Among the main characteristics of the release:

• Perfect adhesive capacity (from 400 to 550 N / m).
• full of fire and explosion.
• Moisture resistance and moisture resistance.
• non-toxic and the possibility of using even on children's playgrounds.
• withers with minimal shrinkage and fills in all the gaps.
• forms a thin transparent film and, moreover, is very strong.
• solubility in many solvents, for expanding its scope.
• low cost and, as a consequence, access to many consumers.

In addition, it should be said that it is used also as an aid in coats and fillings.PVA glue, the use of which is intended for priming, perfectly strengthens the surface and increases its adhesion.

Types of PVA glue

As already mentioned, the mixture can be used to connect to virtually any surface.It is used as the students work in the office, and the builders for wallpapering, priming, connection details, etc.Let's examine each type of structure.

• Household PVA glue (or wallpaper) used in those cases where they are Wallpapering on paper, vinyl based.Suitable for wood, concrete, plaster bases.
• PVA glue super (M) acceptable in much larger areas than the household.With it applied not only to all kinds of wallpaper and wall tiles, linoleum.They also bonded fabric, leather, porcelain, DVM, chipboard, MDF.
• Clay PVA Universal used in cases when you need to connect the composite surface.Suitable for leather, paper, cardboard, metal, glass, wood, carpet, linoleum, serpyanku, tiles.
• PVA glue construction includes different types of mixtures used in the construction.For example, carpenter composition is applied to wooden bases and furniture.It happens parquet adhesive designed specifically for flooring.The most popular is the dispersion of PVA (PVA basis), which is added to the various mixes.
• PVA glue Clerical - for office work when connecting to paper, cardboard, paper.That it often buy students.

Dosing

Prior to application it is important to carefully handle the surface.To do so, it removes dirt and dust.The substrate must be clean and dry (moisture content less than 4%).If the coating mixture is supposed to smooth walls, they must be sanded (for improved adhesion).If, on the contrary, will be sticky on the rough foam, foamed gypsum, it must be primed.

further diluted mixture of the specified recipe on the package.For chipboard and plywood adhesive can be applied without solvent.For other reasons always given the required ratio.When applying the mixture to the wallpaper used is usually a roller or brush.Blades firmly attached to the wall and smooth with a dry cloth.

When applying the composition to the floor is convenient to use a trowel with wide teeth.A layer thickness should be about 0.8 mm for linoleum 3 mm for ceramic tiles and 0.7 mm for pile carpets.If the connection is supposed to wooden structures, cardboard, it is important to apply a thin layer and pressed for about 1 minute and then leave under the load.Depending on the layer thickness the drying time may be different.