Nitrocellulose lacquer is currently more common wood and decoration paint. Lacquer,commonly known as painting, also called the “lac”; “lacquer” or lacquer. The utility model has the advantages of good decorative effect, convenient construction, quick drying, thecoating of environmental requirements is not high, and has better hardness and brightness, not easy to appear the film defects, easy repair. The disadvantage is the solid content is low, the construction needs to channel more number can achieve good results;the durability is not too good, especially the internal lacquer, the gloss is not good, slightly longer is prone to cracking, such as loss of light, color and other ills time use; filmprotective effect is not good, no organic solvent resistance, heat labile, no corrosion resistance. The main film forming matter is mainly to nitrocellulose lacquer, with alkyd resin, modified rosin resin, acrylic resin, amino resin, resin composed of hard and soft. The general also need to add two, dibutyl phthalate, dioctyl oxidation of castor oil plasticizer.Solvent mainly esters, ketones, ethers, etc. true solvents, such as alcohols solvent,benzene and other diluent. Lacquer, mainly used in wood.