GB/T 28121-2011
AbolishedTea bag paper of non heat seal type
非热封型茶叶滤纸
Application Summary AI generated
GB/T 28121-2011 specifies the technical requirements, test methods, inspection rules, and packaging for non-heat-seal tea bag paper. It is applied in the production of tea bags that are sealed mechanically or with adhesive rather than heat, ensuring the paper has adequate wet strength, porosity, and fiber purity for safe infusion. This standard is used by paper manufacturers and tea packaging companies in China to guarantee consistent quality for loose-leaf tea bag production.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.