The makers of the national standard for the hottes

2022-07-30
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The makers of national standards for coatings question the "Beijing Rules"

the makers of national standards for coatings question the "Beijing Rules"

March 19, 2002

recently, a newspaper published by a media in Beijing that "1/3 coatings can not meet the Beijing Rules" has reprinted it one after another. One

time confused consumers, and they are preparing to buy coatings for home decoration. If 1/3 coatings products are unqualified, which brand products should they buy? The enterprise is also confused. Before we went on sale, we were tested according to the National Paint identification standards, which are qualified products. Now we are unqualified according to the standards formulated by Beijing. These reports that confuse consumers and enterprises say: entrusted by the Beijing Bureau of quality and technical supervision, Beijing

civil product safety and health supervision and Inspection Station conducted spot check on 60 varieties of coating products circulating in the market. If

according to the newly issued national standards, all products are qualified; According to the "Beijing Rules", one third of them are unqualified

this led to a series of experts from the China National Coatings Association and those who participated in the formulation of "national standards" for coatings, such as "coating standards test the conscience of enterprises", "one third of coatings fail to meet the Beijing Rules", and questioned the local standards formulated by Beijing and relevant reports. These local standards in Beijing are higher than the "national standards", The reports on the conformity with the "international standards" have affected the seriousness of the "national standards". There are not enough preciseness and bias in both the title and content.

the focus of the problem lies in whether, as reported by some media, "the 'Beijing Rules' are in line with the' international standards', while the 'national standards' are far lower than the' international standards'"

some media said in their reports that the "Beijing Rules" are a higher standard in line with international standards, The "national standard

standard" is only the lowest line of qualified products. The information provided by the National Technical Committee for standardization of paints and pigments expressed different opinions on this issue: there is no corresponding so-called "international standard" for the limit of harmful substances in paints. When formulating the "national standard", experts collected the relevant standard data of various countries in the world and put them on record. These

standards are related to volatile organic substances, i.e. VOC standards, heavy metals and pigments. However, these

standards are all single standards, which have no impact on the overall indicators of coating products. This is very clear. In addition, before the project, no country in the world (including the United States, Japan, European Community countries and other economically developed countries) involved "biochemical indicators" in the standards for coating materials

experts in the coating industry have questioned the test methods adopted in the "Beijing Rules"

experts in the coating Association have questioned the basis for the formulation of several indicators and data shown in the "Beijing Rules"

the "Beijing Rules" have more "biochemical tests" than the "national standards", and the index data are obtained according to the "pesticide toxicology test methods", That is, the pesticide detection method is applied. Experts pointed out that the safety precautions for pesticide

the toxicological test method clearly states: "this method is only applicable to pesticide detection." If this method is to be quoted, it is necessary to draw the conclusion that the two substances can share the same method through several experiments. However, no such demonstration has been made in the "Beijing Rules" before the quotation. Even though the conclusions that can be quoted are obtained through the test, there are also deviations in the specific operation of the test. The coating is different from the pesticide, and the coating will dry and solidify. Therefore, the rule adopts the method of covering the coating with plastic cloth. The method used in the test is strict, and the results are very different at the slightest change. Therefore, it is not considered to quote this method. The national standard has legal effect, scientific and practical, The overall level has reached the international advanced level

there are two mandatory coating standards issued by the General Administration of quality supervision and quarantine: one is the limit of harmful substances in interior decoration materials

interior wall coatings, and the other is the limit of harmful substances in interior decoration materials solvent based wood coatings

what is the progressiveness of these standards? Can they be in line with international standards? Zhaoling, Secretary General of the member committee of the national paint and pigment Standardization Committee and deputy director of the National Paint Quality Supervision and inspection center, said that under the organization of the National Paint Standardization Committee, the two standards, together with the Ministry of health, the Ministry of construction and about 30 experts from more than 10 representative paint enterprises in China, spent half a year collecting more than 50 paint samples in Beijing Several research institutions in Shanghai and Changzhou have conducted separate analysis, accumulated a large number of experimental data, and referred to the recent standards of the European community, the United States and the United Kingdom. It was determined after several demonstrations. It not only reflects the current quality of coatings in China, but also reaches the advanced international level. Taking heavy metals as an example, it equivalently adopts the 85 polyurethane waterproof coating standard stipulated by toy materials in Britain, Germany, France and other countries, and the content of lead is less than 90 mg/kg

according to the provisions of Article 6 of Chapter II of the Standards Law of the people's Republic of China: "local standards... After the national standards

are published or carried out, the local standards shall be abolished."

Cuixishan, director of the mechanical materials division of the National Standardization Administration Committee, said that before the national mandatory standards were not unified, provinces, cities and regions could issue some local standards, which played a positive role in promoting environmental protection and health. As for coating standards, in addition to the national mandatory standards, there are five interior wall coating standards with similar properties developed by Beijing, Shanghai, the Ministry of construction, the Ministry of health and the Environmental Protection Bureau. According to the provisions of Article 6 of Chapter II of the Standards Law of the people's Republic of China, "local standards... After the publication of national standards or the

of such standards, such local standards shall be abolished." In Article 18 of the regulations for the implementation of the Standards Law of the people's Republic of China, it is reiterated that "local standards shall be automatically abolished after the implementation of corresponding national standards or industrial standards"

in the past, there was no unified standard for environmental protection and safety of coating products, and the products in the market were intermingled. There were reports of adverse symptoms during the decoration process or after check-in, leading to many civil disputes, which attracted the great attention of the government departments. The leaders of the State Council repeatedly instructed to formulate coating standards as soon as possible to protect the health of the people. Therefore, since the second half of 2001, the National Standardization Committee has organized relevant units to carry out this work rapidly. Two

mandatory coating standards were issued on December 10, 2001 and formally implemented on January 1, 2002

the national standard clearly points out that it supports enterprises to move towards a higher standard after reaching the national standard.

according to Dr. xudongqun of the environmental health monitoring Institute of the Chinese Academy of preventive medicine, who participated in the formulation of the "national standard", the formulation of the "national standard" is strictly in accordance with the formulation procedures of the "national standard", which is jointly formulated by many domestic coating experts, the Ministry of health, the Ministry of construction and other relevant departments, The standard was formulated with reference to some relevant standards of other countries in the world, combined with a large number of experimental data, and after repeated verification by more than 100 industry experts

"national standard" follows the standard that the product can be used effectively and is absolutely harmless to human body. Some enterprises' various

indicators are stricter than the national standards, which is a gratifying phenomenon. The national standards have explained this: they support enterprises to move towards the standard that higher sensor failures are mainly caused by the overload of experimental force after reaching the "national

standards". If a considerable number of enterprises can reach these higher standards, the "national standards" will be improved accordingly

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