Leveling agent
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Leveling agent is a commonly used paint additive. It can promote the coating to form a flat, smooth and even film in the drying process. A kind of substance that can effectively reduce the surface tension of finishing liquid and improve its leveling and uniformity. It can improve the permeability of finishing liquid, reduce the possibility of spots and spots when brushing, increase the coverage, and make the film uniform and natural. Mainly surfactants, organic solvents, etc. There are many kinds of leveling agents, and the types of leveling agents used in different coatings are different. High boiling point solvent or butylcellulose can be used in solvent based finishing agent. In water-based finishing agents, surfactants or polyacrylic acid, carboxymethylcellulose are used.
