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GB/T 33798-2025Bio-polyester bags on roll (English PDF)

生物聚酯连卷袋

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 28, 2025

Implementation date

October 1, 2025

Scope

GB/T 33798-2025 is the English-translated version of 生物聚酯连卷袋.

GB/T 33798-2025 is the Chinese standard "Bio-polyester bags on roll". Its scope clause reads: This document specifies the product requirements, inspection rules, marking, packaging, transportation, storage, and description of bio-polyester roll bags (hereinafter referred to as roll bags).

The corresponding test methods are described. This document is applicable to roll bags (also known as tear bags or point-break bags) produced with bio-polyester as the main raw material.

It mainly refers to biodegradable polymers containing ester bonds in the chemical structure, including but not limited to polylactic acid (PLA), polybutylene succinate (PBS), polybutylene terephthalate-adipate (PBAT), polyhydroxyalkanoate (PHA), polycaprolactone (PCL), polypropylene carbonate (PPC) and products prepared from its blended materials. Its clauses include terms and definitions; requirements.

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Document preview — GB/T 33798-2025

National Standard of the People's Republic of China

ICS: 83.080.01
Classification: G 31
Replacing: GB/T 33798-2017

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Dimensional deviation
4.1.1 Thickness limit deviation

1 Scope

This document specifies the product requirements, inspection rules, marking, packaging, transportation, storage, and description of bio-polyester roll bags (hereinafter referred to as roll bags).

The corresponding test methods are described.

This document is applicable to roll bags (also known as tear bags or point-break bags) produced with bio-polyester as the main raw material.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to

This document.

GB/T 1037 Determination of water vapor transmission properties of plastic film and sheeting - Cup weight gain and loss method

GB/T 1038.1 Test method for gas permeability of plastic films and sheets Part 1.Differential pressure method

GB/T 1040.1-2018 Determination of tensile properties of plastics Part 1.General

GB/T 1040.3-2006 Determination of tensile properties of plastics Part 3.Test conditions for films and sheets

GB/T 2410 Determination of light transmittance and haze of transparent plastics

GB/T 2828.1-2012 Sampling procedures for inspection by attributes Part 1.Sampling plans for batch inspection based on acceptance quality limit (AQL)

GB/T 2918 Standard environment for conditioning and testing of plastic specimens

GB/T 6672 Plastic film and sheet thickness determination mechanical measurement method

GB/T 6673 Determination of length and width of plastic film and sheeting

GB/T 8807 Test method for specular gloss of plastics

GB/T 9639.1-2008 Test method for impact resistance of plastic film and sheeting - Free-falling dart method - Part 1.Ladder method

GB/T 10006 Determination of friction coefficient of plastic films and sheets

GB/T 14216 Determination of wetting tension of plastic films and sheets

GB/T 41010-2021 Degradation performance and labeling requirements for biodegradable plastics and products

QB/T 1130 Test method for right-angle tearing properties of plastics

QB/T 2358 Test method for heat seal strength of plastic film packaging bags

3 Terms and definitions

There are no terms or definitions that require definition in this document.

4 Requirements

4.1 Dimensional deviation

4.1.1 Thickness limit deviation

The thickness limit deviation shall comply with the requirements of Table 1. […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 33798

Edition	Title	Revision	Status
GB/T 33798-2025	Bio-polyester drum-linkage bags	current edition	Current
GB/T 33798-2017	Bio-polyester drum-linkage bags	previous edition	In force

This page sells the current edition, GB/T 33798-2025. Earlier editions are listed for reference only.

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