General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 22893-2008
Scope
This standard specifies a method for determining the curl of writing paper, printing paper, xerographic copy paper and printed matter. This standard applies to raw paper, paper that has been treated with temperature and humidity, or paper that has been copied or printed. This standard is only applicable to paper whose vertical and horizontal dimensions do not exceed 300mm and whose basis weight is 60g/m2~150g/m2.
GB/T 22893-2008 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 22893-2008 history
2008GB/T 22893-2008 Paper and board.Cut-size office paper.Measurement of curl in a pack of sheets