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Needless to say, paints, ceramic tiles, wooden floors, sanitary ware, etc.. Whether the various environmental protection materials are directly related to the health and safety of the home environment. In the context of increasing awareness of environmental protection in the entire society, consumers are increasingly demanding environmental protection requirements for home interior decoration materials. However, while blindly pursuing green building materials, many consumers also have misunderstandings and confusion in their understanding.
Recently, the reporter visited the Yujia Building Materials Supermarket and the building materials market and inquired about 10 types of interior decoration products such as waterproof coatings, adhesives, wood-based panels, wooden floors, toilets, faucets, latex paints, and wood wares. And understanding, in order to give consumers the most complete green building materials purchase advice.
>>>Installation process and points for toilet
Toilet bowl check seal depth
The shadow of the quality of the toilet has not yet been dispersed, and the quality test of the Bureau of Industry and Commerce has filled it with haze. The reporter learned from the inspection results of the Bureau of Industry and Commerce that the quality of toilets in this test was mainly due to insufficient water seal depth.
Experts said that the lack of water seal depth will reduce the deodorant ability of the toilet. This is because the exhaust gas in the water channel will escape through the unqualified water seal, which will easily cause environmental pollution and be harmful to human health. Experts told reporters that the toilet water seal should be more than 50mm. In addition, the reporter reminded consumers that they must look for the “day†word mark when they purchase the toilet. I do not know whether it is to save money or save water resources.
>>> Essential Guide for Latex Paint Usage
Latex paint checking ratio
When buying latex paint, consumers all know that they must pay attention to their environmental performance, but they may ignore the contrast ratio. As everyone knows, the contrast ratio is directly related to the covering ability of latex paint, and the hiding power is directly linked to the beautification of the wall. It is understood that in the samples tested this time, the safety performance was basically acceptable, but the contrast ratio was poor.
Experts said that the contrast ratio of latex paint should not be less than 0.90, otherwise its painting function will be greatly reduced. In addition, good quality latex paint can also delay the aging of the wall, such as the subtle cracks in the wall changes, mold and so on. Experts explained that in general, the paint resistance of latex paint should reach 10,000 times. However, some of the tests did not reach 20 times. The reporter learned from the market that very few consumers are concerned about the scrub resistance of latex paints. In fact, when purchasing latex paints, pay attention to the contrast ratio and the scrub resistance index of latex paints while paying attention to the environmental performance.
>>>How to buy a faucet
Water nozzle check water saving performance
The water spout has the closest connection with the lives of ordinary people. Everyone likes to say, "Water is the source of life." However, unqualified water nozzles often cause a "source of life" to be wasted. In the Industrial and Commercial Bureau's inspection, a total of 38 samples failed, and the flow was too great for consumers to spend a lot of money.
Ms. Zeng, a leading salesman, told reporters that according to industry standards, under a dynamic pressure of 0.1 MPa, the outlet flow of the water spout should not exceed 0.15L/s. Experts also told reporters that since the flow of the water spout is difficult to see with the naked eye, it is very necessary to issue a quality inspection report at the time of purchase. In addition, the reporter saw on the market a new type of water-saving faucet that adopts vertical sealing and automatic closing technology. The faucet has a 20-second automatic shutdown, anti-drip and other functions, water-saving rate of up to 20% to 50%. At present, the major building materials city, building materials supermarkets have such taps for sale.
>>> Five points for paint purchase
Wood paint inspection pests
Wood lacquer is one of the "invisible killers" of the indoor environment. In the paint often contains excess benzene and lead. Benzene has been identified by the World Health Organization as a carcinogen; lead may affect the body's nerves, hematopoiesis, digestion and other systems. The soluble lead standard value for wood coatings should not exceed 90 mg/kg, and the benzene content should not exceed 0.5%. Here, experts remind consumers that many miscellaneous brands of paint on the market are forging Chinese environmental protection signs, and consumers are often confused by them. Therefore, be sure to look for big brands at the time of purchase and purchase them in the big building materials market.
Waterproof material pick toughness
Waterproof materials are often used in hidden renovation projects, and consumers often have difficulty visually seeing their quality problems. Because of this, waterproof materials are often hidden in the decoration. Experts said that the purchase of waterproof materials should be comprehensively examined from the aspects of tensile strength, elongation at break, and impermeability.
For waterproofing membranes, due to the tight connection between the application and the base layer, the stretching or cracking or deformation of the base layer directly affects or limits the use of the coil. Therefore, the waterproof membrane must have strong adaptability to the base layer. Experts point out that when purchasing PVC waterproofing membranes, consumers can gently pull by hand and feel that the higher the toughness of the coil, the higher the tensile strength, the greater the elongation rate, and the better the adaptability to the base layer. .
In addition, the reporter reminded consumers that if you purchase waterproof coatings, you must pay attention to their environmental performance. Waterproof coatings often include adhesives and colorants in their production. The reporter saw in the market that many building materials cities have water-based architectural waterproof coatings, and their environmental performance is better. Consumers may wish to try.
Adhesive pick green degree
Adhesives are a kind of building materials necessary for home decoration, and many building materials themselves also contain adhesives such as plates, paints, and coatings. The quality of adhesives is directly related to the health of the home environment. However, in this inspection by the Bureau of Industry and Commerce, there were a total of 5 types of adhesives that were unqualified, and their quality problems were mainly due to excessive levels of formaldehyde and benzene.
The reporter learned from the National Building Materials Testing Center that the free formaldehyde content of the adhesive should be less than or equal to 1g/kg, and the benzene content should be less than or equal to 5g/kg. In the recent inspection by the Bureau of Industry and Commerce, Beijing's 100-year-old Xinyuan Trading Co., Ltd. produced a one-year, 2kg-per-barrel adhesive with a benzene content of 75g/kg, far exceeding the standard value.
Here, the reporter reminded consumers that they can use the “nose smell†method when buying adhesives. If the adhesive emits a strong irritating odor, then most of the harmful substances are excessive.
Wood-based board to see the amount of formaldehyde released
The harmful substances in the board are mainly formaldehyde, and the formaldehyde in the board exceeds the standard, which may cause the body to have abnormal olfactory sense, abnormal lung function, abnormal liver function, and abnormal immune function. The long-term exposure to low-dose formaldehyde has great harm to human health. In this test, the quality of wood-based panels was entirely out of the standard for formaldehyde.
"GB18580-2001 indoor decoration materials artificial wood and its products in the formaldehyde release limit" clearly stipulates that the product "should be marked with the product of formaldehyde emission limit signs." The standard specifies that the limit signs are “E0†and “E1†and can be used directly in the room; the sign “E2†must be treated after finish to be used indoors.
Laminate flooring pick wear rotation
Reinforced laminate flooring is increasingly favored by homeowners. However, consumers may not know that, in addition to seeing whether the amount of formaldehyde released is higher than the standard for the purchase of laminate flooring, it is more important to look at the wear-resistant rotation.
It is understood that, according to the National Quality Standards for Wood Flooring, the number of surface wear-resistant rotations of laminate flooring products for household use should be above 6,000 rpm. However, many products have a very low wear-resisting surface, and the nominal “Europe†golden walnut floor wear-resisting rotation is only 140 turns, which seriously affects the service life of the floor.
According to industry insiders, the reason why some brands of laminate flooring are not sufficiently wearable is due to the fact that manufacturers use inferior impregnated papers in pursuit of low cost in the production process.
5 steps to choose green paint
From water-based paints to water-based paints, children's paints from wood-based paints, paint products have become more and more obvious in the window, and people are increasingly demanding environmental protection for paint products. There is a dazzling array of paint on the market and it is impossible to start with. The following five steps teach you to choose environmentally friendly health paint.
Step one: Look at the labeling of the paint overpack
These logos should include the product name, implementation standard number, place of production, model number, specifications, and instructions for use. If it is a well-known brand, it is generally accompanied by a national exemption certificate, a famous brand certificate and a well-known Chinese trademark mark.
Step two: see if it meets the standard GB18581-2001
Wood lacquer must meet GB18581-2001 "indoor decoration materials, solvent-based wood coatings in hazardous substances limit." At the time of purchase, the seller may be required to provide a qualified environmental protection test report issued by a qualified unit.
Step 3: Buy the heaviest package
Lift the paint bucket and shake it. If there is a crackling sound, it means that the paint packaging is not enough. There are two short weights, and the viscosity is too low. The regular factory is really real and can hardly hear the sound.
Step 4: Buy the least amount of consumption
Ask the seller about the number of painting passes and area of ​​the paint, the amount of calculation and the cost of materials per square meter, not to be deceived by the unit price of each group (barrel).
Step 5: Buy Professional Supporting
Good quality products are often more professional, providing technical guidance and after-sales service according to different plates. The amount of adhesive used in home decoration is large, but selection is not the best source of pollution. Good glue will have environmental labeling product certification. The fake and inferior adhesives are also distinguished. The main features are: colloidal turbidity, delamination after storage for a long time, and smell of redness when the container is opened.
Popular environmental protection materials
1 Environmental materials:
Grass-planting paving tiles are one of various colored paving products made from recycled high-density polyethylene. It can reduce storm runoff, reduce surface water pollution, and drain surface water. Used in public facilities.
2 Green Wall Materials:
A newly developed aerated concrete masonry brick can be cut and shaped by woodworking tools and masonry with a thin layer of mortar. The surface is coated with a special napped slurry and has a thermal insulation and energy storage effect.
3 Green Wall Decoration:
Grass wallpaper, linen wallpaper, gauze silk wall coverings and other products, with moisturizing, insect repellent, health care and other functions. The mildew-proof wallpaper has been chemically treated to eliminate the appearance of mildew, foaming, and mildew that occur when the wallpaper is wet or when there is a large temperature difference between the interior and exterior, and the surface is soft and has good air permeability.
4 Environmental protection pipe:
The plastic metal composite pipe is a high-tech product replacing the metal pipe. Its inner and outer layers are high-density polyethylene materials, and the middle is aluminum, which combines the excellent properties of plastics and metals, and does not rust or pollute.
5 Green paint:
Bio-emulsion paint, in addition to the construction is simple and there are a variety of colors, can bring colorful colors to the home. After brushing, it will emit bursts of fragrance, and it can also be re-brushed or treated with detergents to inhibit mold in the walls.
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