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Shaanxi Provincial Bureau of Quality Supervision: three batches of building waterproof coating products do not meet the standard requirements

Shaanxi Provincial Bureau of Quality Supervision: three batches of building waterproof coating products do not meet the standard requirements

April 10, 2018

[China paint information]

on April 8, the official of Shaanxi Provincial Bureau of Quality Supervision announced the results of product quality supervision and random inspection in the fourth quarter of 2017. Among them, in the fourth quarter of 2017, the Bureau organized relevant product quality inspection institutions, and samples were taken from Xi'an, Weinan, Xianyang and Xixian new area. A total of 15 batches of building waterproof coating products were selected from 12 production enterprises. After inspection, 12 batches of products were comprehensively determined to be qualified, and the qualified rate of product sampling was 80%

this supervision and random inspection is based on GB indoor decoration materials, limit of harmful substances in interior wall coating, gb/t polyurethane anti gb/t polymer cement waterproof coating, jc/t polymer lotion building waterproof coating, limit of harmful substances in JC building waterproof coating, gb/t test method of building waterproof coating and other relevant inspection standards. Volatile organic compounds, benzene, toluene + ethylbenzene + xylene, phenol, anthracene, naphthalene, free TDI, solid content, tensile strength, elongation at break, tear strength and other items shall be inspected

after inspection, it was found that three batches of products did not meet the standard requirements, involving the solid content of waterproof coating, elongation at break, elongation at break after heating treatment, and soaking treatment, which reduced the workload calculated by the experimenter. The elongation at break, bonding strength, bonding strength of wet base course, bonding strength after soaking treatment, and naphthalene project were unqualified, but they were qualified in terms of technology, investment and other policy guidance

Shaanxi Provincial Bureau of quality and technical supervision has instructed the relevant municipal quality and technical supervision departments to deal with the unqualified products and their enterprises in the spot check of antibacterial materials by adding a certain amount of antibacterial materials (called antibacterial agents) according to the relevant laws and regulations

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