Coating general knowledge: wall decoration and coating Q & A

Core tips: 1 Why do you want to divide the primer and finish paint during wall construction? No matter the new wall or the old wall in the room, it will be alkalized due to the excessive moisture, especially in the humid environment, which is the fundamental reason affecting the quality of the paint Applying a layer of alkali resistant primer before painting the top coat can not only save the decoration cost, but also have the advantage of half the effort in the long run and decoration effect The excellent sealing property of this kind of primer enables it to effectively resist the penetration of wall alkaline substances, organize the precipitation of water-soluble salts, and prevent the wall from returning to alkali At the same time, the good adhesion of the primer makes the wall more smooth, making the finish easier 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: 1, why should wall construction be divided into primer and finish? No matter the new wall or the old wall in the room, it will be alkalized due to the excessive moisture, especially in the humid environment, which is the fundamental reason affecting the quality of the paint Applying a layer of alkali resistant primer before painting the top coat can not only save the decoration cost, but also have the advantage of half the effort in the long run and decoration effect The excellent sealing property of this kind of primer enables it to effectively resist the penetration of wall alkaline substances, organize the precipitation of water-soluble salts, and prevent the wall from returning to alkali At the same time, the good adhesion of the primer makes the wall more smooth, makes the finishing coat easier to brush, and reduces the use of the finishing coat In this way, the wall not only avoids the paint disease, but also helps to maintain the painting effect for a longer time 2 Why do children's rooms use children's paint? Children's resistance is poor and they are in the stage of growth and development How can parents who regard children as the Pearl of their eyes not pay special attention to their children's living environment? Therefore, we need a children's period that does not appeal to environmental protection 3 What harm does formaldehyde do to children's absorption? Formaldehyde (HCHO) is a colorless and soluble irritant gas, which can be absorbed by respiratory tract It comes from plywood, joinery board, MDF, particleboard and other wood-based panels for interior decoration, or furniture and glue made of wood-based panels Formaldehyde has negative harm to human health, especially to children with weak resistance from 0 to 12 years old It can cause tears, throat discomfort or pain, serious nausea, vomiting, cough, chest tightness, asthma and even emphysema, and even death 4 Is there any other decorative material besides wall paint? Besides the wall paint, there are wallpaper and three-dimensional color paint on the wall decoration The owner can also choose according to his own preference It should be noted that wallpaper is still difficult to replace 5 What is the construction process of wall paint? The construction of wall paint is relatively simple In addition to puttying, the owner can roll or brush the wall finish by himself, and the spraying needs professionals The process of wall construction is as follows: base material treatment - putty leveling (generally 2 times) - putty polishing (360 × sandpaper) - one coat of primer (600 × sandpaper light grinding) - two coats of finish paint 6 What preparations should be made before wall decoration construction? The preparations are as follows: ① check whether the environment, temperature, relative humidity, ventilation, cleanliness and other conditions are met; ② cover the parts that do not need painting; ③ prepare construction tools and clean them; ④ align and mix evenly according to the product instructions 7 What are the precautions for wall decoration? The main precautions are as follows: ① the function of putty is to level the wall and try not to scrape the thickness; after drying, use 360 ා or more sandpaper to polish and clean up, and pay attention to avoid sand marks and sand holes in large mode; ② the primer construction shall be uniform without missing coating; if the primer needs to be polished, it shall be lightly ground, and the primer shall not be worn through; ③ the interval between layers of the finish construction shall be more than 4 hours, low In case of temperature or high humidity, the recoating time shall be extended accordingly If the previous paint film is not dry, the second construction shall not be carried out 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,