GB/T 40553-2021 Plastics—Specifications for plastics suitable for home composting

GB/T 9345.1-2008 Plastics—Determination of ash—Part 1:General methods ISO 20200 EN 13432:2000 ASTM E1676 OECD 208 GB/T 1033.1-2008 Plastics—Methods for determining the density of non-cellular plastics—Part 1:Immersion method,liquid pyknometer method and titration method GB/T 6040-2002 General rules for infrared analysis GB/T 6040-2019 General rules for infrared analysis GB/T 6672-2001 Plastics film and sheeting—Determination of thickness by mechanical scanning GB/T 15337-1994 General rules for atomic absorption spectrometric analysis GB/T 15337-2008 General rules for atomic absorption spectrometric analysis GB/T 19276.1-2003 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium—Method by measuring the oxygen demand in a closed respirometer GB/T 19276.2-2003 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium—Method by analysis of evolved carbon dioxide GB/T 19277.1-2011 Determination of the ultimate aerobic biodegradability of plastic materials under conctrolled composting conditions—Method by analysis of evolved cabon dioxide—Part 1:General method GB/T 19277.2-2013 Determination of the ultimate aerobic biodegradability of plastic materials under controlled composting conditions—Method by analysis of evolved carbon dioxide—Part 2:Gravimetric measurement of carbon dioxide evolved in a laboratory-scale test GB/T 19466.1-2004 Plastics—Differential scanning calorimetry(DSC)—Part 1:General principles GB/T 19811-2005 Determination of the degree of disintegration of plastic materials under defined composting conditions in a pilot-scale test GB/T 20220-2006 Plastics—Film and sheeting—Determination of average thickness of a sample, and average thickness and yield of a roll, by gravimetric techniques(gravimetric thickness) GB/T 21809-2008 Chemicals—Test method of earthworm acute toxicity test GB/T 28206-2011 Specification for compostable plastic GB/T 33047.1-2016 Plastics—Thermogravimetry(TG)of polymers—Part 1:General principles GB/T 37837-2019 General rules for quadrupole inductively coupled plasma mass spectrometry GB/T 19277.1-2025 Determination of the ultimate aerobic biodegradability of plastic materials under conctrolled composting conditions—Method by analysis of evolved cabon dioxide—Part 1:General method GB/T 19466.1-2025 Plastics—Differential scanning calorimetry(DSC) method—Part 1:General principles GB/T 33047.1-2025 Plastics—Thermogravimetry(TG) of polymers—Part 1:General principles GB/T 19276.2-2026 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium—Part 2:Method by analysis of evolved carbon dioxide GB/T 19276.1-2026 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium—Part 1:Method by measuring the oxygen demand in a closed respirometer