GB 33372-2020: Translated English of Chinese Standard. GB33372-2020: Limit of volatile organic compounds content in adhesive
This Standard specifies the limit requirements, test methods, inspection rules and packaging marks of volatile organic compounds content in adhesive under specified conditions. This Standard applies to the limitation of volatile organic compounds content in solvent-based, water-based and bulk adhesives.
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according to Formula acetone adhesive product adhesive sample amount analytical Appendix application appropriate bulk adhesive Calculate calibration compounds Carrier gas Chapter chromatographic column chromatography test conditions column temperature components contain content in adhesive content in bulk content in solvent-based content in water-based density detector Determination dilution dimethyl carbonate dispersion document gas chromatography GB/T gram g/g grams g grams per gram injection volume injector inspection internal standard isopropanol Karl Fischer solvent keep known least 99 less Limit of VOC mass fraction materials measure meet the requirements method methyl acetate Normative Package peak area Perform polydimethylsiloxane capillary columns processing programmed heating purity reagents record references relative correction factor respectively response factor sample according sample bottle selected separate solvent-based adhesive specified specified in GB/T split ratio Table test compound test results Test steps titrator types VOC content Volatile content volatile organic compounds water content water-based adhesive weigh