Common knowledge of paint: causes of paint discoloration and prevention measures

Core tip: the color of the new door is darker than the paint itself, is the paint discolored? The color change of real paint mainly refers to the color change of varnish Varnish is originally 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 in the iron barrel is easy to born red brown pigment (3) Gold and silver powder and varnish are prone to acid corrosion, making the paint look good 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: the color of the newly painted door is deeper than the paint itself, is the paint discolored? The color change of real paint mainly refers to the color change of varnish Varnish is originally 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 in the iron barrel is easy to born red brown pigment (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) for shellac varnish, which is easy to change color, use non-metal containers to make clothes (2) Before using varnish, add gold powder and silver powder Do not add them into varnish too early for storage (3) For precipitated and discolored coating, 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,