Common knowledge of coating: selection of wall coating and identification of authenticity

Core tips: wall paint includes exterior wall paint, interior wall paint and top coat paint, which are mainly latex paint and other varieties; latex paint is the main water-based paint, while nitrocellulose paint and polyurethane paint are mostly oil-based paint Wall paint is an essential material in home decoration, so it plays a very important role in decoration Because of this, it needs patience and care when purchasing 1、 Choice of paint 1 It's better to compare three products before purchase, and learn more about relevant product information For goods of the same package and brand, comprehensive consideration should be given to quality, price and service; 2 Select coating according to different parts, such as 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: wall paint includes exterior wall paint, interior wall paint and top coat paint, which is mainly latex paint and other varieties; latex paint is the main water-based paint, while nitrocellulose paint and polyurethane paint are mostly oil-based paint Wall paint is an essential material in home decoration, so it plays a very important role in decoration Because of this, it needs patience and care when purchasing 1、 Paint purchase 1 Prior to purchase the best goods than three, more information about related products For goods of the same package and brand, comprehensive consideration shall be given to quality, price and service; 2 Coating shall be selected according to different parts, such as the coating used for indoor wall shall have the characteristics of strong adhesion, fine texture and powdering; the coating materials for kitchen, bathroom and washroom shall have the properties of waterproof, mildew proof and easy to wash 3 Different types of paint should be selected according to different wall features Different materials and materials have different requirements for coatings, such as concrete and cement mortar base should be preferred to polymer based waterborne coatings; wood base and metal base should be preferred to various solvent based coatings In addition, the shelf life of the coating is generally two years Some brands do not indicate the shelf life on the packaging barrel, only the production date, so they should be carefully identified when purchasing Pay attention to the use of auxiliary materials in construction, especially glue and primer Even if the environmental protection coating is selected, it can not be sloppy in the substrate treatment For example, 107 glue contains harmful substances, which are forbidden to be used in home decoration by relevant national regulations 2、 How to identify green paint environmental protection experts think that paint is the second largest pollution source in modern society, the emergence of green paint is undoubtedly the guarantee of health The so-called green coating, which can protect the environment, has the characteristics of non-toxic and no peculiar smell, and can inhibit the growth of mold When choosing paint, how to identify whether it is green paint? First of all, brand products should be selected when purchasing, and whether the coating meets the national mandatory standards should be considered; secondly, the quality inspection report of the product, especially the VOC content in the quality inspection report, should be carefully checked According to the national standard, the VOC limit is no more than 200g / L, the better coating is less than 100g / L, and the environmental protection coating is close to 0 If you can get the approval of the seller, you can ask the seller to open the paint barrel and test it yourself If serious stratification occurs, the quality is poor; if the coating is stirred gently with the stick, the paint will stay on the stick for a long time and cover evenly after lifting, the quality is good; if the coating is twirled lightly with the hand, the finer the better Due to VOC, formaldehyde and other harmful substances exceeding the standard, most of the non environmental friendly coatings have pungent smell, so we must be careful when selecting them Of course, do not buy products that smell very fragrant Generally speaking, all of these coatings are flavors, and additives are chemical products It is difficult to ensure environmental protection 3、 How to identify the true and false paint first, look at its shape There are few impurities in the paint, and the milky white line will be painted well Second, check the color Good paint can be divided into three layers: sauce oil color or pig liver color on the surface, light yellow in the middle layer and gray white in the bottom layer; one color is fake paint Finally, smell it Good paint has aromatic or sour fragrance If there is corruption or other strange smell, it is deteriorated paint or fake paint The paint that will not dry for a long time is not good enough 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,