This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage of mask paper. This standard applies to paper for processing paper masks.
QB/T 2808-2006 Referenced Document
GB/T 450 Paper and board.Sampling for testing and identification of machine and cross direction,wire side and felt side*, 2008-08-19 Update
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 453 Paper and board determination of tensile properties-constant rate of loading methods
GB/T 462 Determination of moisture content of analytical samples of paper, paperboard and pulp*, 2023-09-07 Update