Nitro varnish
Nitro varnish. Nitro varnish is a transparent lacquer made of nitrocellulose, alkyd resin, plasticizer and organic solvent. It is a volatile paint with fast drying and soft gloss.
Nitro varnish is divided into high light, semi-matte and matt, which can be used according to your needs. Nitrocellulose paint also has its disadvantages: it is easy to whiten in high-humidity weather, low in fullness and low in hardness.
Friendship çš“ white wood lacquer
1. Hand sweeping paint. A kind of nitro varnish is a non-transparent lacquer made of nitrocellulose, various synthetic resins, pigments and organic solvents. This paint is specially formulated for manual construction and has a fast drying characteristic.
2. The main adjuvant of nitrocellulose lacquer
Tianna water, a colorless transparent liquid with a banana odor, which is a mixture of organic solvents such as esters, alcohols, benzenes and ketones. It mainly adjusts the nitrocellulose lacquer and acts as a curing agent.
White water, also known as anti-white water, is called ethylene glycol monobutyl ether. When working in wet weather, the paint film will be white, and the appropriate amount of 10~15% nitromagnetized white water can be eliminated.
Polyester paint
Polyester paint. It is a thick lacquer made of polyester resin as the main film former. The polyester paint has a full film and a thick layer. Polyester lacquer also has a varnish variety called polyester varnish.
Curing is required during the construction of the polyester lacquer, and the amount of these curing agents accounts for one-third of the total amount of the paint. These curing agents are also known as hardeners and their main component is TDI (toluene diisocyanate). These free TDI will turn yellow, which will not only make the furniture paint yellow, but also make the adjacent wall yellow, which is a major drawback of polyester paint. At present, yellowing-resistant polyester lacquer has appeared on the market, but it can only be used to resist yellowing, and it is impossible to completely prevent yellowing. In addition, free TDI beyond the standard can also cause harm to the human body. The harm of free TDI to the human body is mainly sensitization and stimulating effects, including pain, tearing, conjunctival congestion, cough and chest tightness, shortness of breath, red papules, maculopapular rash, and contact allergic dermatitis. Internationally, the limit for free TDI is controlled below 0.5%.
Polyurethane paint
Polyurethane paint. Polyurethane paint is a polyurethane paint. It is strong in film, full of luster, strong adhesion, water resistant, abrasion resistant and corrosion resistant. It is widely used in high-grade wood furniture and can also be used on metal surfaces. The main disadvantages are the problem of blistering, powdering of the paint film, etc. Like the polyester paint, it also has the problem of yellowing. The varnish variety of polyurethane paint is called polyurethane varnish.
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