Common knowledge of paint: how to prevent paint discoloration

Core tip: the color change of paint mainly refers to the color change of varnish Varnish is transparent, colorless or very light yellow, after color change, it becomes brown or black Color paint also has the phenomenon of color change, which mainly shows that the color of light color paint becomes darker There may be several reasons for paint discoloration: (1) The ester solvent in varnish reacts with iron container and turns black when encountering water (2) Turpentine is easy to form red brown pigment in iron barrel (3) Gold and silver powder and varnish are prone to acid corrosion, making the paint green, dark and lustrous (4) The storage period is too long and the precipitate changes color The prevention and control methods are: (1) Most likely to change color Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Paint Home News: paint discoloration mainly refers to the discoloration of varnish Varnish is transparent, colorless or very light yellow, after color change, it becomes brown or black Color paint also has the phenomenon of color change, which mainly shows that the color of light color paint becomes darker The causes of paint discoloration may be as follows: (1) the ester solvent in varnish reacts with iron container and turns black when encountering water (2) Turpentine is easy to form red brown pigment in iron barrel (3) Gold and silver powder and varnish are prone to acid corrosion, making the paint green, dark and lustrous (4) The storage period is too long and the precipitate changes color The methods of prevention and control are: (1) the shellac varnish which is easy to change color is filled in a non-metallic container (2) Before using varnish, add gold powder and silver powder Do not add varnish too early for storage (3) For the paint with precipitated discoloration, if it is not a quality problem, it can be used after full mixing Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,