Buy what problem need to pay attention to the exterior wall paint

In today's building materials industry in the exterior wall decorative paint more and more. Exterior wall with all kinds of decorative coatings, such as really stone paint, paint, water bag water paint and stone chips of paint. If you want to buy ordinary brand exterior wall coating, you should consider what respect? As a just cover the house need to purchase a customer of exterior wall coating, it is a headache. I want to share it with you. Try to choose when buying painting regular stores or building materials supermarkets and retail stores, choosing a major well-known brand of environmental protection paint. The real green environmental protection coating must with China environmental label product certification committee awarded 'ten ring logo. If it can get more testing and certification authority, so much the better. 'The national market, for example, the user first choice green brand credit enterprise', 'China environmental product certification', 'China top 500 quality', 'top ten quality brand', 'nation inspection-exempted products', 'class a architectural coatings enterprise qualification certificate' and other honorary certification is more in place. Look at the paint surface. Quality color glue solution layer of the coating is colorless or yellowish, relatively transparent, surface usually without floater; If you have floaters, you should be careful to buy. Because of volatile organic compounds, formaldehyde and other harmful material too much, most of the environmental protection coating is exciting. If there is a pungent smell the smell of paint. Toxic paint doesn't taste good, but must be wrong with the smell of paint, so consumers to buy carefully. Of course, not to buy products tastes very sweet. In general, this kind of coating added essence, additive itself is product of a kind of chemical industry, it is difficult to guarantee the environmental protection. If possible, please let the seller open the paint bucket, check yourself. If the coating severe stratification, the quality is poor. Stir gently with a stick. After the ascension, coating will stay for a long time on the bar, uniform coverage, shows that the quality is good. The more elaborate the better. Paint dealers there is no problem, most of them adopt the way of open the lid sales, so that consumers can directly see the environmental protection paint. Carefully check the quality of the product inspection report, especially the coating of total organic volatile matter content. Volatile organic compounds to our living environment and the us caused great damage. Toluene, xylene, butanone, acetate, etc. Are limited. We should try our best to reduce the dosage of these dissolvent. At present, the national paint voc content standard requires no more than 200 grams/liter, better coating is less than 100 grams/liter, environmental protection coating is close to zero. Ask the solvent. Responsible brand will limit the use of toxic solvents. In general, after coating is dry, the solvent can be volatile, basically but it needs a process, especially for the room temperature curing coating. If solvents toxic, if users contact for a long time, it will cause harm to human body health. Buy less consumption: consulting businesses drawing number and area of computational consumption and material cost per square meter, don't be in each group ( Barrels a day). The unit price of fooled. The paint by the solid ( Film-forming substances) And volatile substances. High solid content reached 70% 80%, while the low solid content less than 10% 20%. Unit price low, people tend to consume a large amount of computing will be more expensive and wasted, after quality effect is poor. When buying a exterior wall coating should pay attention to what issues? We can in accordance with the method of shangrao paint factory prepare to share with you. We hope that can provide a reference for you advice and help. For more information on exterior wall coating, please read the following 'how to choose the good one is stone QiChang home'.