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    Home > Coatings News > Paints and Coatings Market > Paint knowledge: a way to prevent paint discoloration

    Paint knowledge: a way to prevent paint discoloration

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: to prevent paint discoloration, the new door color is darker than the paint itself, is the paint discoloration? The discoloration of paint 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 the 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, Paint knowledge how about Akzo Nobel Powder Coating Recommended introduction: powder coating is a kind of coating with different form from general coating, which is in powder form It is a new type of coating, because of its own advantages and more and more known by people Let's introduce Akzo Nobel Powder coating Akzo Nobel Powder coating is a cost-effective coating solution, which can be applied to different kinds of products After the treatment of static electricity and fire baking, a tough and durable coating surface will be formed, with the least impact on the environment Since the introduction of this technology, powder coating has been able to continue to maintain the Paint Home News: to prevent paint paint discoloration, the new door color is deeper than the paint itself, is the paint discoloration? 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 the 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 The shellac varnish that is most likely to change color shall be 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,
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