GB/T 40553-2021Plastics—Specifications for plastics suitable for home composting (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

1 Scope

This document specifies the chemical characteristics, biodegradability, disintegration performance, impact of biodegradation process, composting Fertilizer quality requirements and evaluation procedures, and corresponding test methods are specified.

This document applies to plastic materials and their products for household composting.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 1033.1 Determination of the density of plastic non-foam plastics Part 1: Immersion method, liquid pycnometer method and titration method

GB/T 6040 General Rules of Infrared Spectroscopy Analysis Method

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

GB/T 9345.1-2008 Determination of Ash in Plastics Part 1: General Method

GB/T 15337 General Rules of Atomic Absorption Spectrometry

GB/T 19276.1 Determination of the final aerobic biodegradability of materials in aqueous culture medium Method of measurement

GB/T 19276.2 Determination of the final aerobic biodegradability of materials in aqueous culture medium method

GB/T 19277.1 The final aerobic biodegradability of materials under controlled composting conditions is determined by measuring the released carbon dioxide Method Part 1: General Method

GB/T 19277.2 The final aerobic biodegradability of materials under controlled composting conditions is determined by measuring the released carbon dioxide Method Part 2: Using gravimetric method to determine the amount of carbon dioxide released under laboratory conditions

GB/T 19466.1 Plastic Differential Scanning Calorimetry (DSC) Part 1: General

GB/T 19811 Determination of the degree of disintegration of plastic materials under defined composting pilot conditions

GB/T 20220 Plastic film and sheet sample average thickness, roll average thickness and unit mass area determination weighing method (called Thickness)

GB/T 21809 Chemical earthworm acute toxicity test

GB/T 28206 Technical requirements for compostable plastics

GB/T 33047.1 Thermogravimetric Method (TG) for Plastic Polymers Part 1: General Rules

GB/T 37837 Quadrupole Inductively Coupled Plasma Mass Spectrometry Method General

ISO 20200 Determination of the degree of disintegration of plastic materials on a laboratory scale under simulated composting conditions (Plastics-Deter-minationofthedegreeofdisintegrationofplasticmaterialsundersimulatedcompostingconditionsina laboratory-scaletest)

EN13432:2000 The technical requirements test plan and final inspection of packaging materials recovered through composting or biodegradation Acceptance standard (Packaging-Requirementsforpackagingrecoverablethroughcompostingandbiodegradation-Test schemeandevaluationcriteriaforthefinalacceptanceofpackaging)