Paint common sense: home painting 8 common problems, do not see regret die you!

Core tip: [paint peeling] It may be that the surface is too smooth If the original paint is glossy or powdery (with untreated 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 In case of peeling off of small area of paint, first polish with fine sandpaper, then apply putty, brush primer, and then paint again The paint must be scraped off and repainted in case of large area peeling [paint blistering] First, prick the bubble, such as 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: [paint peeling] may be due to too smooth surface If the original paint is glossy or powdery (with untreated 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 In case of peeling off of small area of paint, first polish with fine sandpaper, then apply putty, brush primer, and then paint again The paint must be scraped off and repainted in case of large area peeling [paint blistering] first of all, puncture the blister If there is water coming out, it means that there is moisture under or behind the paint layer After the sun, the water evaporates into steam, and the paint skin will be blistered At this time, first use the hot air gun to remove the foaming paint, let the wood dry naturally, then brush the primer, and finally paint the whole repair surface again If there is no water in the bubble, it may be wood grain cracking There is a small amount of air in the bubble When the air expands in the sun, the paint will bulge In the face of this situation, first scrape off the blistering paint skin, then fill the cracks with resin filler, paint again, or without filler, after scraping off the paint skin, directly apply microporous paint [cracks] in most cases, chemical paint remover or hot air gun shall be used to remove the paint and then paint again If the fracture range is not large, at this time, 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 [paint flowing] if the paint is applied too thick at one time, it will cause flowing The paint can be brushed with a brush before it is dry If the paint has begun to dry, it should be allowed to dry completely Polish the paint surface with fine sandpaper, brush the surface clean, wipe it with a wet cloth, and then apply the outer layer of paint again, taking care not to brush too thick [stain] there are many reasons for the stain on the paint surface For example: the water in the emulsion paint dissolves the substance on the wall and rusts the paint surface, the wall surface rubbed with steel wool will produce rust spots, and the leakage of concealed pipes in the wall will produce stains, etc 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 [mildew and discoloration] this kind of problem often occurs on the wet paint surface For example, water vapor condensation on the glass or metal surface will often produce 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 [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 tarnished The poor quality of varnish is also a reason 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 [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 out before you apply the second coat 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,