This standard specifies the method for measuring the thickness of fluffy paper. This standard applies to all kinds of filter paper, but not to wrinkled paper.
QB/T 1938-2010 Referenced Document
GB/T 10739 Standard atmospheric conditions for handling and testing of paper, paperboard and pulp specimens*, 2023-12-28 Update
GB/T 450 Paper and board.Sampling for testing and identification of machine and cross direction,wire side and felt side
GB/T 451.3 Paper and board determination of thickness
QB/T 1938-2010 history
2010QB/T 1938-2010 Bulking paper.Determination of thickness
1994QB/T 1938-1994 Determination of thickness of fluffy paper