Paint knowledge how to prevent paint discoloration

Core tip: the color of the new door is darker than the paint itself, is the paint discolored? 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 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, which makes the color of paint green and change Application scope and advantages of roller ceramic coating Recommended introduction: the surface of ceramic rubber plate used for roller ceramic coating is cast into durable rubber plate by hundreds of independent small ceramic pieces Each ceramic piece has raised characteristics Under general conveyor belt pressure, thousands of unique cast bumps can produce positive traction, prevent slipping and extend the service life of conveyor belt roller At the same time, the bottom layer adopts high-quality rubber, which has strong elasticity and can play a good impact resistance role The scope of application of roller ceramic coating is one three six 83857180 (the same as V) 1 Roller coating in extremely harsh working environment 2 The belt joint is not suitable for fixing with iron buckle; 3 It is suitable for leather Paint Home News: the color of the newly painted door is deeper than the paint itself, is the paint discolored? 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 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,