Youbang Excellent Clarity Anti-Sagging Special Clear Transparent Primer/Wood Paint

Generally speaking, coating is a material that can be coated on the surface of the object to be coated and can form a firmly attached continuous film. It can be inorganic, such as electroplating copper, electroplating nickel, electroplating zinc, etc. It can also be organic, such as most organic polymer materials, which constitute the main part of the coating market today.