Paint knowledge: how to prevent paint discoloration

Core tip: 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 Causes of paint discoloration: 1 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 Prevention methods: 1 The shellac varnish that is most likely to change color shall be filled in a non-metallic container 2 Before using varnish Which is the price of Dajin diatom mud Recommended brief introduction: which is the price of Dajin diatom mud? How to buy genuine diatom mud? Guangdong diatom mud agent suggests placing a basin of cold water in the air conditioning room, so that the diatom mud wall can breathe effectively The feature of the breathing wall is obvious When the indoor air is dry, the diatom mud wall will release the absorbed water quickly Put it out to help regulate the indoor dry humidity It is suggested to place a basin of cold water in the air conditioning room, so that the wall of diatom mud can breathe effectively The feature of the wall that can breathe is obvious When the indoor air is relatively dry, the wall of diatom mud will absorb the water 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 Causes of paint discoloration: 1 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 Prevention methods: 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,