This part of GB/T 17858 specifies the terms and types of thermoplastic flexible film bags. This section applies to single-layer or multi-layer packaging bags made of thermoplastic flexible film, and this section does not apply to packaging bags for retail goods.
GB/T 17858.2-2010 history
2010GB/T 17858.2-2010 Packaging sacks.Vocabulary and types.Part 2:Sacks made from thermoplastic flexible film
1999GB/T 17858.2-1999 Packaging--Sacks--Vocabulary and types--Sacks made from thermoplastic flexible film