Coating knowledge: decoration season: interior wall coating "formaldehyde", the fuse of death

Core tip: climate warming, with the arrival of spring, decoration industry ushered in the peak season There are also many lawbreakers who see this business opportunity In order to prevent individual enterprises from reducing costs, not strictly implementing national standards, using low-cost raw materials or cutting corners in production, unqualified products enter the market Recently, in the first quarter, the municipal consumer association carried out a multi brand comparative test on the quality of interior wall coating in Changchun market The test results show that the qualified rate of this sampling inspection is 97.1%, and the main reason for the unqualified samples is that the free formaldehyde is not up to the standard The price difference of interior wall coating is nearly 10 times as small as 51 Application scope and advantages of roller ceramic coating Recommended introduction: the surface of ceramic rubber plate used for roller ceramic coating is cast into durable rubber plate by hundreds of independent small ceramic pieces Each ceramic piece has raised characteristics Under general conveyor belt pressure, thousands of unique cast bumps can produce positive traction, prevent slipping and extend the service life of conveyor belt roller At the same time, the bottom layer adopts high-quality rubber, which has strong elasticity and can play a good impact resistance role The scope of application of roller ceramic coating is one three six 83857180 (the same as V) 1 Roller coating in extremely harsh working environment 2 The belt joint is not suitable for fixing with iron buckle; 3 It is suitable for leather Paint Home News: climate warming, with the arrival of spring, decoration industry ushered in the peak season There are also many lawbreakers who see this business opportunity In order to prevent individual enterprises from reducing costs, not strictly implementing national standards, using low-cost raw materials or cutting corners in production, unqualified products enter the market Recently, in the first quarter, the municipal consumer association carried out a multi brand comparative test on the quality of interior wall coating in Changchun market The test results show that the qualified rate of this sampling inspection is 97.1%, and the main reason for the unqualified samples is that the free formaldehyde is not up to the standard The price difference of interior wall coating is nearly 10 times With the coming of May Day holiday, the traditional decoration peak season is coming Many citizens have already prepared the decoration schedule and started the preparatory stage And the decoration of a house, interior wall coating is an indispensable link When visiting some home furnishing and building materials markets in our city, the reporter found that more than ten kinds of different wall paints can be found in only one franchise store If other franchise stores are added, as many as 100 kinds of wall paints can be selected for people in one building materials market Among them, the price difference between different wall paints is very wide, from less than 100 yuan to over 1000 yuan, the price difference can be up to 10 times A brand of wall paint salesperson said, "the price of wall paint in our home ranges from 170 yuan to 896 yuan, the main difference lies in the different functions A better product can cover tiny cracks, scrub resistance, mildew resistance and anti-bacterial What's more economical is simple environmental protection and formaldehyde free " In the face of a wide range of interior wall paint market, people can't help but ask whether the quality of interior wall paint in the market can be trusted? Yesterday, the reporter learned from the municipal consumer association that in order to understand the quality situation of Changchun interior wall paint market, recently, Changchun Consumer Association conducted a multi brand comparative test Only one sample is unqualified According to the introduction, the samples of this comparative test were randomly purchased by the municipal consumer association in the larger building materials market and professional stores in our city The staff purchased 35 samples of interior wall coating from 23 sales counters and stores Among them, there are 7 joint ventures and 20 domestic enterprises According to the analysis of the comparative test results, 34 of the 35 samples of interior wall coating single product meet the national limit standards, which are qualified samples, and the qualified rate is 97.1% One sample whose inspection index exceeds the national limit standard is unqualified sample (the "Yaju advanced wall paint" produced by Bombardier Architectural Coatings Co., Ltd in Foshan City, Guangdong Province, production date or batch number: 12ds02 / 120324) "Free formaldehyde" will lead to the death of the editor learned that in this comparative test, the main reason for the unqualified sample is that the product free formaldehyde is not up to standard According to the introduction, the free formaldehyde in the interior wall coating mainly comes from the synthetic resin emulsion and mould inhibitor It can ensure the chemical stability of the coating in the production and transportation process, and prolong the storage time of the paint The main reason for the non-standard free formaldehyde is that the formaldehyde of free formaldehyde will form a film with the drying of the coating and release into the environment It is worth noting that if the free formaldehyde index of interior wall coating purchased by consumers exceeds the standard, it is easy to cause indoor air pollution When the concentration is high, it can cause nausea, vomiting, cough, chest tightness, asthma, emphysema, and even death The free formaldehyde content of qualified coating is ≤ 100mg / kg During the sampling inspection, the "Yaju high-grade wall paint" produced by Pompeii Architectural Coatings Co., Ltd of Foshan City, Guangdong Province was purchased, with free formaldehyde content of 106mg / kg, 1.06 times of the national standard limit According to the results of the comparative test, the compliance rate of the interior wall coating in the circulation field of our city is relatively high, and the citizens who are ready to decorate can choose it at ease [focus on WeChat official account "paint net"; pay attention to surprises, scan code to see if your husband is selling paint.. 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