Wall paint purchase
Before choosing a wall paint, we must first learn the environmental protection knowledge of the wall paint, and then select the products according to these key indicators.
Environmental protection index 1: VOC (volatile organic compounds) content. The state is now implementing mandatory enforcement standards, ie VOC ≤ 120g / L. There are three types of effects of VOC on the human body: odor and sensory effects; mucosal irritation and other systemic toxicity; some volatile organic compounds have been shown to be carcinogens or suspected carcinogens.
Environmental indicators 2: formaldehyde content. The state now implements a mandatory implementation standard value of ≤100mg/kg. Formaldehyde itself is highly toxic, has a strong coagulation effect on proteins, can be denatured by binding to the amino and hydroxyl groups of nucleic acids, can hinder the action of gastric enzymes and pancreatic enzymes, and thus affects metabolic functions. Its vapor is carcinogenic to rodents. effect.
Environmental indicator 3: Heavy metal content. Heavy metals mainly refer to soluble lead, cadmium, chromium, mercury and other substances. Some heavy metals are essential trace elements in human body at a certain concentration, but when the amount of human body exceeds the limit that the human body can tolerate, it can cause serious physiology. Damage, causing a variety of diseases. Lead poisoning is more serious in children, and children have a special susceptibility to lead. US Federal Regulation CFR1303 stipulates that lead content greater than 60mg/Kg is lead-containing paint and is prohibited for use in public places or interior decoration.
Performance Index 1: The number of scrubs. The number of scrubs depends mainly on the amount and quality of the emulsion, and this main raw material also determines the main properties of the latex paint, such as the number of scrubs, weather resistance and color retention. The number of scrubs of good wall paint products is basically more than 5,000 times. For the ultra-white products on the market, more attention should be paid to the comparison of the number of scrubs.
Performance Index 2: Anti-mildew or ultra-white performance, or some waterproof function.
After understanding the environmental indicators and product performance of the above products, we can start from the following steps when selecting products.
Step 1: Choose regular big brand products or regular channels for purchase. Paint and coating products are not only related to the aesthetics and comfort of the living environment, but more importantly, to the health of the family, not sloppy.
Step 2: Check the test report of the products recommended by the shopping guide. Correspondingly look at the several environmental indicators mentioned above, and pay attention to whether the performance indicators are described on the packaging of the products.
Step 3: Reasonably purchase the product. Determine purchase based on the membership structure and spending power of your family
The product, in particular, is that the anti-alkali primer of the wall paint should not be saved. If the family condition is good, some products with special properties can be considered in the selection of the wall paint, such as children's paint, super Strong scrub resistance finish, etc.
Step 4: Perform anti-counterfeiting queries for the product. Understand the anti-counterfeiting query method of the purchased products and conduct related anti-counterfeiting queries on the products.
Step 5: Understand the after-sales service.
Step 6: Check the final result. If you have any opinions, you should promptly provide feedback or communication to the dealership to protect your maximum rights.
Another: choose the corresponding characteristics of the latex according to the different functions of the room
When purchasing latex paint, you should use the good cost performance as the purchase standard, and choose the latex paint with the corresponding characteristics according to the different functions of the room. For example, in the bathroom and basement, it is better to choose a mold-resistant product. The kitchen and bathroom should be selected to be stain-resistant and have good scrub resistance. The latex paint with certain elasticity is suitable for covering cracks and protecting the wall surface. Assuming that your living environment is damp, you can use a wall paint with better anti-mildew function to make the wall more durable. For example, each brand of 5-in-1 latex paint and gold all-in-one. If you have children who like to paint on the wall, the easy-to-clean wall paint is the best choice. For example, the brand's third-generation super-washable or children's latex paint is a good choice. Due to the close relationship between the various properties of coating products, and even mutual constraints, for the popular multi-functional products on the market, the single performance may not be outstanding, but the overall performance is generally better.
Decorative paint can be divided into two types according to different ingredients: wall paint (including indoor and outdoor) and wood decoration paint. In general home decoration, wall and ceiling should use indoor wall paint; as for wood, such as doors, window frames, tables, chairs, cabinets, etc., wood decoration paint should be used.
Wood paint purchase
In the decoration of a household, the environmental protection of the wood paint in the decoration paint determines the environmental protection index of 90% of the decoration paint. Therefore, the choice of the decoration wood paint is very important, and must not be underestimated. At present, the wood lacquers on the market mainly include NC (nitrocellulose lacquer) and PU (polyester lacquer) W (waterborne wood lacquer) wood wax oil. These four products have their own advantages, so when we buy Choose the one that best suits your home renovation needs.
The advantages, disadvantages and suitable groups of these four types of products:
·NC lacquer
Advantages: fast drying speed, easy to renovate, simple ratio, convenient construction and good hand feeling.
Disadvantages: environmental protection is relatively poor compared to PU and W paint, easy to turn yellow, fullness and high gloss effect is difficult to make, construction is numerous, coating cost is high, easy to age.
Suitable for groups: American painting process, that is, all kinds of handicrafts in the home need to be painted more. This part of the crafts is recommended to be painted with NC, but other large-area decoration areas are not recommended for NC products.
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