GB/T 35795-2017 Biodegradable mulching film for agricultural uses

GB/T 16422.2-2014 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc sources GB/T 1037-1988 Test method for water vapor transmission of plastic film and sheet—Cup method GB/T 1037-2021 Test method for water vapor transmission of plastic film and sheet—Desiccant method and water method GB/T 1040.1-2006 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.1-2018 Plastics—Determination of tensile properties—Part 1:General principles GB/T 1040.3-2006 Plastics—Determination of tensile properties—Part 3:Test conditions for films and sheets GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 6672-2001 Plastics film and sheeting—Determination of thickness by mechanical scanning GB/T 6673-2001 Determination of length and width of plastics film and sheeting GB/T 15337-1994 General rules for atomic absorption spectrometric analysis GB/T 15337-2008 General rules for atomic absorption spectrometric analysis GB/T 16422.1-1996 Plastics—Methods of exposure to laboratory light sources Part 1:General guidance GB/T 16422.1-2006 Plastics—Methods of the exposure to laboratory light sources—Part 1:General guidance GB/T 16422.1-2019 Plastics—Methods of exposure to laboratory light sources—Part 1:General guidance 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 22047-2008 Plastics—Determination of the ultimate aerobic biodegradability in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved QB/T 1130-1991 Test Method for the Tear Strength of Plastic at Right Angles GB/T 1040.1-2025 Plastics—Determination of tensile properties—Part 1:General principles 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 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