General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 28177.3-2012
Scope
This part of GB/T 28177 specifies the methods and procedures for testing flexible thin cards. The test methods for the physical properties of many basic materials provided in this part are applicable to samples drawn from continuous materials or large sheets; unless otherwise expressly stated , otherwise all given test methods are applicable to finished cards. The test methods specified in this section are performed on independent samples. Unless otherwise specified, any individual card only needs to pass one test procedure.
GB/T 28177.3-2012 Referenced Document
GB/T 10006 Plastics—Film and sheeting—Determination of the coefficients of friction*, 2021-03-09 Update
GB/T 10739 Standard atmospheric conditions for handling and testing of paper, paperboard and pulp specimens*, 2023-12-28 Update
GB/T 11500-2008 Photography.Density measurement.Part 2:Geometric conditions for transmission density