Paint knowledge: Tips for common problems of paint

Core tip: of course, the steps of painting can't be missed in the decoration, especially many products are uneven now If you don't buy famous brand goods at a cheap price, it's really easy to have various problems The following small series for you to analyze the common problems of various paints, and teach you a few clever ways to deal with, complete the realization of your home decoration! 1, cracks: this situation is mostly to use chemical paint remover or hot air spray gun to remove the paint, and then paint again If the fracture range is not large, then it can be moistened with sand grinding block or dry and wet sandpaper to remove the broken paint After the surface is polished smooth, apply putty, brush primer and paint again Seven common problems of paint and coating Paint knowledge | precautions for wall paint color selection Recommended introduction: when painting the wall, the owner sometimes has difficulty in choosing what color of the wall paint to paint In fact, there is no ugly color in the wall paint, only the disharmonious color matching The use of wall color contains the knowledge of health Too strong color will stimulate people's perception, make people have a sense of fidgety, affect people's mental health Grasp the basic principles of wall color and paint a colorful space 1、 Wall paint color selection notice 1 Light color is generally used for the top surface Light colors make people feel light, dark colors make people feel heavy Usually, the treatment of rooms is from top to bottom, from shallow to deep For example, the ceiling and walls of rooms are white and Paint Home News: of course, the steps of painting can not be missed in the decoration, especially now many products are uneven If you don't buy well-known brand goods at a low price, it's easy to have various problems The following small series for you to analyze the common problems of various paints, and teach you a few clever ways to deal with, complete the realization of your home decoration! 1, cracks: this situation is mostly to use chemical paint remover or hot air spray gun to remove the paint, and then paint again If the fracture range is not large, then it can be moistened with sand grinding block or dry and wet sandpaper to remove the broken paint After the surface is polished smooth, apply putty, brush primer and paint again 7 common problems in paint and coating teach you how to deal with 2 Wrinkle of paint film: it is usually caused by painting the second time before the first time is dry At this time, the solvent in the lower paint will affect the upper paint film, making it wrinkle In this case, chemical mercury remover or heating method can be used to remove wrinkled paint film and repaint Remember, you must wait for the first coat to dry before the second 3 Paint flowing: if the paint is applied too thick at one time, it will flow Brush off the paint before it is dry If the paint has begun to dry, wait until it is completely dry, use spinning paper to polish the paint surface, brush the surface clean, and then wipe it with a wet cloth, and then re apply the outer layer paint Pay attention not to brush too thick 4 Paint peeling: it may be caused by too smooth surface If the original paint is glossy or powdery (with untreated color paste paint), the new paint will not stick firmly on the surface Or it may be rotten wood or rusty metal, or peeling due to poor paint quality Small areas of paint peeling, can be polished with spinning paper, then apply putty, brush primer, and then paint again The paint must be stripped and repainted in case of large area falling off 5 Mildew and discoloration: this kind of problem often occurs on wet paint surfaces, such as water vapor condensation on glass and metal surfaces, which often produces brownish black stains At this time, fungicide can be used to treat the moldy parts according to the instructions in the manual After the mold is killed, clean the surface, and then paint again 6 Stain: there are many reasons for the stain on the paint surface For example: the water in the emulsion paint dissolves the substances on the wall and rusts the paint surface The wall surface rubbed with steel wool will produce rust spots The leakage of concealed pipe in the wall is stained In order to prevent stains, a layer of primer containing aluminum powder can be brushed first If there are stains, the latex paint at the spots can be removed first After brushing the primer containing aluminum powder, paint again 7 Tarnish: the reason is that the primer is not applied, or the primer and inner layer paint are directly applied with varnish before they are dry As a result, the varnish is absorbed by wood and tarnish There is also a reason why varnish is not good Use dry and wet sandpaper to grind off the old paint, brush off the dust, clean the surface with a clean and wet cloth, and then brush the paint again after it is completely dry Special attention should be paid to the fact that when the paint is applied in a low temperature environment, the paint film may lose luster after drying 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,