BB/T 0052-2009 Liquid milk co-extruded packaging film and bag
This standard specifies the product classification, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of co-extruded packaging films and bags for liquid milk (hereinafter referred to as milk films or milk bags). This standard applies to liquid milk packaging films or bags made from polyethylene as the main raw material through the co-extrusion process.