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    2017 aluminum building profile construction sampling pass rate of 94.6%


    Release time:

    2018-01-22

    Recently, the AQSIQ announced on the 2017 aluminum profile building construction and decoration materials quality supervision of the national linkage spot checks. The spot checks covered

    Recently, the AQSIQ announced on the 2017 aluminum profile building construction and decoration materials quality supervision of the national linkage spot checks. The spot checks covered 1768 batches of products (not involving export products) of 1768 enterprises in 29 provinces (autonomous regions and municipalities) in Beijing, Tianjin and Shanxi.
    Building materials network
    After testing, 1673 batches of 1673 batches of products qualified, 95 batches of 95 batches of products failed, the product pass rate was 94.6%, the detection rate of substandard products was 5.4%.
    Among them, the aluminum profiles of construction were spot checks 416 batches of products of 416 enterprises in 19 provinces (autonomous regions and municipalities), the number of spot checks about half of the total number of manufacturing enterprises in the country, spot checks found 392 batches of qualified products, 24 batches Unqualified products, unqualified products detected rate of 5.8%.
    The aluminum profile products spot checks and found that the aluminum alloy building profiles failed products mainly related to the project include: chemical composition, the nominal wall thickness, wall thickness deviation, the local oxide film thickness, the average film thickness oxide film, oxide film seal Hole quality, partial film thickness of the film, partial film thickness of the composite film, alkali resistance, and small local thickness of the coating.
    In order to improve product quality, AQSIQ has stepped up spot checks on aluminum alloy building profiles. National aluminum alloy building profile products have been continuously supervised and spot-checked over the past five years with product passing rates of 87.3%, 94.2% and 87.5% respectively, 87.5%, 94.2%, product quality tends to be stable.
    The spot checks aluminum building profiles. Enterprises are mainly concentrated in Guangdong, Shandong and Jiangsu, accounting for 48.1% of the total number of spot checks. Spot checks of 12 provinces found no quality problems. The passing rates of products in 4 provinces ranged from 90% to 95%, and those in 3 provinces ranged from 80% to 90%.
    In view of the outstanding quality problems reflected in the spot checks, such as the chemical composition of aluminum alloy building profiles, small nominal wall thickness, wall thickness deviation and other items failed to increase the follow-up follow-up monitoring of related businesses.
     

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