This part of GB/T 31556 specifies the terms and definitions, size descriptions, measurement methods and test reports for thermoplastic flexible film bag sizes. This part applies to the thermoplastic flexible film bags specified in GB/T 17858.2, that is, single-layer or multi-layer packaging bags made of thermoplastic flexible films. This part does not apply to retail packaging bags.
GB/T 31556.2-2015 Referenced Document
GB/T 17858.2 Packaging sacks.Vocabulary and types.Part 2:Sacks made from thermoplastic flexible film
GB/T 31556.2-2015 history
2015GB/T 31556.2-2015 Packaging sacks.Description and method of measurement for dimension.Part 2:Sacks made from thermoplastic flexible film