The varnish is a pigment-free transparent or light yellow paint that has a good gloss and is a module. The main components of varnish are resin and solvent. After the varnish is applied to the surface of the object, a coating film with protection, decoration and special functions is formed. After the varnish on the surface is dried, a smooth film is formed to reveal the original pattern on the surface of the object.
Varnish is often used in home decoration, because the varnish is not very demanding on the construction environment and construction process, the leveling of the varnish is very good, even if there is sag, it does not matter, it can be quickly sneaked in the brush. Re-dissolved.
Application range of varnish
Varnish is used on the surface of homes, floors, doors and windows and cars. It is also possible to add a pigment to make an enamel, and a dye to form a colored varnish. It can also be used in the manufacture of enamels and impregnated appliances, sketch drawings, and the use of gouache drafts. It can prevent oxidation and prolong the retention time of the artwork.
The varnish is further divided into an oil-based varnish, that is, "Fan Lishui" and a resin varnish "bubble water".
Commonly used varnishes are: ester varnish (water varnish), shellac varnish (bubble water, alcohol varnish also known as lacquer), novolac (Yongming lacquer), alkyd varnish (Sambo paint), nitro varnish ( Clear paint, lacquer, acrylic paint, polyester ester varnish, high performance varnish, fluorocarbon varnish, etc.
How to choose varnish
1. Look at the packaging: the packaging is rough, the site, the writing is fuzzy, the batch number is incomplete, and most of them are inferior goods or fakes;
2. Look at the paint surface: the adhesion and hiding power of high-quality paint are very strong.
3. 掂 Quality: The regular paint will not have a sloppy sound, the viscosity is very high, and the sound is almost inaudible;
Tips
Varnish is a kind of smear material, its product material is in line with national standards, so you can use it in the decoration of various supplies with confidence. It is a kind of paint commonly used in home decoration, and its products are subject to strict quality control. It is a new type of paint that is healthy and environmentally friendly. Of course, fake varnish may also appear on the market. Is this quality good and environmentally friendly? It is not known, so when choosing a varnish, you must go to a regular store to buy.
In addition, although the varnish has a protective function of reducing ultraviolet radiation, as long as the varnish layer is intact, it can effectively delay the aging of the paint. However, the varnish is prone to scratches. If you wash the car with a slightly hard towel, you will find scratches like hair. Varnishes are also more susceptible to environmental pollution than ordinary paints. Therefore, you should be cautious when using varnish. Some are usable and some are not. It depends on the situation.
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