Coating process: common problems in coating - cracking / chipping

Core tip: in the coating process, there are visual cracks or cracks in the paint film The cracks are from small to large, from shallow to deep, and finally lead to the complete destruction of the paint film In the early stage, hairline cracks will appear The coating will then flake off Causes of cracking / chipping: 1 Low quality coatings with poor adhesion and flexibility are used 2 Over dilution or too thin coating 3 Poor surface pretreatment, especially when painting bare wood without primer 4 Paint in cold or windy conditions to dry emulsion paint too fast resolvent: 1 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: in paint coating, the paint film produces visual cracks or cracks, cracks from small to large, from shallow to deep, resulting in complete damage to the film In the early stage, hairline cracks will appear The coating will then flake off Causes of cracking / chipping: 1 Poor adhesion and flexibility of poor coating 2 Over dilution or too thin coating 3 Poor surface pretreatment, especially when coating bare wood without primer 4 Coating in cold or windy conditions, making emulsion paint dry too fast Solution: 1 The feasible way to repair the cracks that have not yet continued to the base material is to use a scraper or wire brush to remove the loose or to be peeled paint pieces, round the edges and corners, base and repaint the exposed parts 2 If the crack has reached the base material, scrape, Polish / or use a hot spray gun to remove all the coatings; then prime and repaint the high-quality exterior wall emulsion paint The home is focused on coating, diatom mud, paint coating, coating process, news and coating of fire-resistant coating, diatom mud, paint coating, coating process, decoration knowledge and decoration effect map of fire-resistant coating,