This standard specifies the definitions, terms, requirements, test methods, inspection rules and packaging, packaging marks, transportation and storage of plastic shopping bags. This standard applies to films made of resin as the main raw material, and plastic shopping bags processed by bag-making processes such as heat sealing or bonding. This standard also applies to shopping bags made of composite plastics and other materials. This standard does not apply to plastic bags that are only used for packaging and not for carrying purposes, including plastic roll bags (also known as tear bags or point-break bags).
GB/T 21661-2008 Referenced Document
GB 21660 "General requirement for environmental protection,safety,identification and marking of plastic shopping bags"
GB/T 20197-2006 Define,classify,marking and degradability requirement of degradable plastic
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 2918-1998 Plastics--Standard atmospheres for conditioning and testing
GB/T 5009.156-2003 General principle for the determination of migration of packaging materials and their products
GB/T 5009.60 Method for analysis of hygienic standard of products of polyethylene,polystyrene and polypropyrene for food packaging
GB/T 5009.67 Method for analysis of hygienic standard of products of polyvinyl chloride for food packaging
GB/T 6672-2001 Plastics film and sheeting Determination of thickness by mechanical scanning
GB/T 6673-2001 Plastics film and sheeting determination of length and width
GB/T 9639-1988 Plastics-Film and sheeting-Determination of impact resistance--Free falling dart method
QB/T 2358-1998 Test method for heat seal strength of plastic film packaging bags