This standard specifies the product classification, technical requirements, test methods, inspection rules and signs, packaging, transportation, and storage of non-heat-sealable tea filter paper. This standard applies to the filter paper used in non-heat-seal tea automatic packaging machines, and also applies to the filter paper used in manual packaging of tea, coffee and Chinese patent medicines.
GB/T 28121-2011 Referenced Document
GB 11680 Hygienic standard of paper used for food packaging
GB/T 10340 Paper and board.Determination of filtering rate
GB/T 10739 Standard atmospheric conditions for handling and testing of paper, paperboard and pulp specimens*, 2023-12-28 Update
GB/T 12914 Determination of tensile strength of paper and paperboard Constant speed tensile method (20mm/min)*, 2019-07-01 Update
GB/T 23227 Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having a discrete or oriented permeable zone and materials with bands of differing permeability.Determination of air permeability*, 2018-05-14 Update
GB/T 24996 Determination of deinking recycled fiber in paper
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)*, 2013-02-15 Update
GB/T 450 Paper and board.Sampling for testing and identification of machine and cross direction,wire side and felt side
GB/T 451.1 Paper and board--Determination of size and deviation
GB/T 451.2 Paper and paperboard Part 2: Quantitative determination*, 2023-12-28 Update
GB/T 451.3 Paper and board determination of thickness
GB/T 462 Determination of moisture content of analytical samples of paper, paperboard and pulp*, 2023-09-07 Update
GB/T 465.2 Paper and board.Determination of tensile strength after immersion in water
GB/T 5009.78 Method for analysis of hygienic standard of papers for food packaging