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TAPPI T 423 cm-21

Folding Endurance of Paper (Schopper Type Tester)

This method describes the use of the chopper type of folding apparatus. It is suitable for papers having a thickness of 0.25 mm (0.010 in.) or less. The procedure for the MIT type apparatus, which may be used for papers of any thickness, is described in TAPPI T 511 "Folding Endurance of Paper (MIT Tester)"

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Technical Association of the Pulp and Paper Industry [tappi]

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