T/YNIA 002-2021 Biodegradable nonwoven materials

GB 250-1995 Gray scale for assessing change in colour GB/T 250-2008 Textiles—Tests for colour fastness—Grey scale for assessing change in colour GB/T 9345.1-2008 Plastics—Determination of ash—Part 1:General methods GB 15979-2002 Hygienic standard for disposable sanitary products GB/T 17638-2017 Geosynthetics—Synthetic staple fibers needlepunched nonwoven geotextiles GB/T 18006.3-2020 General requirement of degradable disposable tableware GB 18401-2010 National general safety technical code for textile products 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 19277.1-2025 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 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 GB/T 32106-2015 Plastics—Determination of the ultimate anaerobic biodegradation of plastic materials in an aqueous system—Method by measurement of biogas production GB/T 33797-2017 Plastics—Determination of the ultimate anaerobic biodegradation under high-solids anaerobic-digestion conditions—Method by analysis of released biogas FZ/T 64003-2021 Wadding of spray-bounded nonwovens FZ/T 64012-2013 Hydroentangled nonwoven for hygiene application FZ/T 64033-2014 Spun-thermal bonded nonwoven FZ/T 64034-2014 Spunbond/meltblown/spunbond(SMS)nonwoven FZ/T 64046-2014 Through-hot air bonding nonwoven FZ/T 64052-2014 Calendaring bonded staple fiber nonwoven FZ/T 64078-2019 Meltblown nonwoven fabric 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