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Standard: |
TAPPI |
Method: |
TAPPI T 511 |
Title: |
Folding endurance of paper (MIT tester) |
TAPPI T 511 describes the use of the MIT-type apparatus for the determination of the folding endurance of paper. An exhaust fan arrangement maintains the folding head at room temperature. The MIT tester is suitable for papers of any thickness; however, if the outer fibrous layers of paper thicker than about 0.25 mm (0.01 in.) rupture during the first few folds, the test loses its significance. The procedure for the Schopper-type apparatus is given in TAPPI T 423 “Folding endurance of paper (Schopper).”
Folding endurance tests have been used to estimate the ability of paper to withstand repeated bending, folding, and creasing. Folding endurance has also been useful for measuring the deterioration of paper upon aging.
Please note:
SGS-IPS cannot sell or otherwise provide standards, specifications, or test procedures to third parties.