Testing of plastic composite film bags for liquid food packaging

Composite film bags belong to one of the common types of packaging material testing. The Market Supervision Administration will also conduct regular spot checks on composite film bags. According to the report on product quality spot checks issued by the State Administration for Market Regulation in 2020, the overall quality of composite film bags is still guaranteed, and the indicators for unqualified products mainly focus on the total amount of solvent residue. Due to the many testing items specified in the product standards for different composite film bags, the Municipal Supervision Bureau mainly conducts testing and inspection on key items during spot checks. Reference Standard for Sampling of Composite Film Bags GB 19741-2005 Plastic Composite Films and Bags for Liquid Food Packaging GB/T 21302-2007 Composite Films and Bags General Rules GB/T 28118-2011 Composite Films and Bags of Plastic and Aluminum Foil for Food Packaging GB/T 30768-2014 Composite Films and Bags of Paper and Plastic for Food Packaging GB/T 8013.2-2018 Aluminum and Aluminum Alloys Anodized Films and Organic Polymer Films Part 2: Anodized Composite Films HG/T 5312-2018 Polytetrafluoroethylene Composite Films for Window Screens

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