Guangdong Provincial Quality Supervision Bureau randomly inspected 260 batches of paint products and found 8 batches unqualified – TMPDA – Tetramethylpropylenediamine

On March 17, 2017, the official website of the Guangdong Provincial Quality and Technical Supervision Bureau announced the results of the 2016 Guangdong Provincial Paint Product Quality Special Supervision and Spot Inspection. The discovery rate of unqualified products was 3.1%.

This inspection included 15 cities including Guangzhou, Shenzhen, Zhuhai, Shantou, Foshan, Shaoguan, Dongguan, Zhongshan, Jiangmen, Zhanjiang, Maoming, Zhaoqing, Qingyuan, Chaozhou and Shunde. 260 batches of paint products produced by 160 companies in prefectures (districts). After inspection, it was found that 8 batches of products produced by 5 companies were substandard, and the discovery rate of substandard products was 3.1%. The unqualified items involve the total content of free formaldehyde, glycol ether and ether esters in the coating (limited to ethylene glycol methyl ether, ethylene glycol methyl ether acetate, ethylene glycol ether, ethylene glycol ether acetate and diethylene glycol ether). Butyl ether acetate), methanol content and other 3 items.

The 160 production companies (260 batches) that were randomly inspected this time include 4 large companies (6 batches), 17 medium-sized companies (24 batches), small There are 139 enterprises (230 batches), with large, medium and small enterprises accounting for 2.5%, 10.6% and 86.9% of the total number of enterprises inspected respectively. Spot checks found that 8 batches of products produced by 5 companies were unqualified, all of which were small businesses. The discovery rate of unqualified products from small businesses was 3.5%.

This random inspection is based on GB18581-2009 “Limits of Hazardous Substances in Solvent-based Wood Coatings for Interior Decoration and Renovation Materials” and GB18582-2008 “Hazardous Substances in Interior Decoration and Renovation Materials and Interior Wall Coatings” Limits”, GB24408-2009 “Limits of Hazardous Substances in Building Exterior Wall Paints”, JC1066-2008 “Limits of Hazardous Substances in Building Waterproof Coatings”, GB24410-2009 “Limits of Hazardous Substances in Water-based Wood Coatings for Interior Decoration Materials”, GB24409- The 2009 “Limits of Hazardous Substances in Automobile Coatings”, as well as relevant laws and regulations, departmental regulations and specifications, currently effective corporate standards, product express quality indicators and requirements, the volatile organic compound (VOC) content of coating products, free Formaldehyde, the total content of glycol ethers and ether esters (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), heavy metals Content, sum of benzene, toluene, ethylbenzene and xylene, ammonia, benzene, toluene + ethylbenzene + xylene, phenol, anthracene, naphthalene, free TDI, sum of free diisocyanate (TDI, HDI) content, halogenated hydrocarbon content, 17 items including methanol content, benzene series, glycol ether and its esters content were tested.

The Guangdong Provincial Bureau of Quality and Technical Supervision stated that for production companies that failed to pass the random inspection, it has instructed the relevant local and municipal quality supervision departments to carry out inspections in accordance with the “Product Quality Law of the People’s Republic of China” According to the “Measures for the Administration of Product Quality Supervision and Spot Inspections” and other regulations, a notice of ordering rectification is issued, ordering the enterprise to stop producing and selling substandard products, make rectifications within a time limit and organize a review in accordance with the law; manufacturing enterprises with serious product quality problems will be investigated and punished in accordance with the law.

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