The hottest spot check of 260 batches of coating p

2022-09-28
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On March 17, 2017, the official of Guangdong Provincial Bureau of quality and Technical Supervision announced the results of special supervision and spot check on the quality of coating products in Guangdong Province in 2016, and the occurrence rate of unqualified products was 3.1%

the 260 batches of coating products produced by 160 enterprises in 15 cities (districts) including Guangzhou, Shenzhen, Zhuhai, Shantou, Foshan, Shaoguan, Dongguan, Zhongshan, Jiangmen, Zhanjiang, Maoming, Zhaoqing, Qingyuan, Chaozhou and Shunde were randomly selected, and the loading method of hydraulic type accounted for the majority. After inspection, 8 batches of products produced by 5 enterprises were found to be unqualified, and the discovery rate of unqualified products was 3.1%. The unqualified items involve the total content of free formaldehyde, ethylene glycol ether and ether ester of the coating (limited to ethylene glycol methyl ether, ethylene glycol methyl ether acetate, ethylene glycol ethyl ether, ethylene glycol ethyl ether acetate and diethylene glycol butyl ether acetate), and methanol content

the 160 production enterprises (260 batches) sampled this time include 4 large enterprises (6 batches), 17 medium-sized enterprises (24 batches) and 139 small enterprises (230 batches). The proportion of large, medium and small enterprises in the total number of enterprises sampled is 2.5%, 10.6% and 86.9% respectively. Eight batches of products produced by five enterprises were found to be unqualified in random inspection, all of which were small enterprises, and the discovery rate of unqualified products of small enterprises was 3.5%

this spot check is based on GB 18581-2009 limits of harmful substances in solvent based wood coatings for interior decoration materials, GB 18582-2008 limits of harmful substances in interior decoration materials and interior wall coatings, GB 24408-2009 limits of harmful substances in exterior wall coatings for construction, JC 1066-2008 limits of harmful substances in building waterproof coatings GB 24410-2009 limits of harmful substances in Waterborne Wood Coatings for interior decoration materials, GB 24409-2009 limits of harmful substances in automotive coatings, as well as relevant laws and regulations, departmental rules and specifications, current effective enterprise standards after filing, explicit quality indicators and requirements of products, volatile organic compounds (VOC) content and free formaldehyde of coating products, The total content of ethylene glycol ether and ether ester (limited to ethylene glycol methyl ether, ethylene glycol methyl ether acetate, ethylene glycol ethyl ether, ethylene glycol ethyl ether acetate and diethylene glycol butyl ether acetate), the content of heavy metals, the total content of benzene, toluene, ethylbenzene and xylene, ammonia, benzene, toluene + ethylbenzene + dimethylbenzene, phenol, anthracene, naphthalene, free TDI, free diisocyanate (t automatically carries out experimental operation and controls Di and HDI according to the programmed program), 17 items such as halogenated hydrocarbon content, methanol content, benzene homologues, glycol ether and its esters content were tested

the Guangdong Provincial Bureau of quality and Technical Supervision said that for the production enterprises that failed to pass the random inspection, the relevant local and municipal quality supervision departments have been instructed to issue a notice of rectification in accordance with the provisions of the product quality law of the people's Republic of China and the administrative measures for product quality supervision and random inspection, instruct the enterprises to stop producing and selling unqualified products, rectify within a time limit, and organize reexamination in accordance with the law; We will investigate and deal with the production enterprises that have defects and serious quality problems in the production of copper nets according to law

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Guangdong Institute of product quality supervision and inspection

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