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TAPPI T 411 om-10

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TAPPI T 411 om-10 Thickness (Caliper) of Paper, Paperboard, & Combined Board

standard by Technical Association of the Pulp and Paper Industry, 01/01/2010

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$21.56

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This method describes the procedure for measuring single-sheet thickness and variations in single sheetthickness of paper, paperboard, and combined board. The term combined board" encompasses both corrugated andsolid fiberboard.

Because of the method of selecting samples longer in the cross machine direction for thickness profilemeasurements, the results will always be biased in that direction.

Because of the relatively high pressure 50 kPa (7.3 psi) used in this test method, it may not be suitable formeasurement of tissue or other soft or low density materials, because the structure may collapse (decrease in thickness) atthe prescribed pressure of 50 kPa.

Another method for measuring the thickness of paper is TAPPI T 500 "Book Bulk and Bulking Numberof Paper," which describes a procedure for measuring the overall thickness of a stack of book paper under pressure of250 kPa (35 psi).

An essentially identical method is described in ASTM D 645-96.

TAPPI T 551 "Thickness of Paper and Paperboard (Soft Platen Method)" describes a method formeasuring the effective thickness of paper and board products utilizing soft rubber platens. This method always yieldssmaller values than TAPPI T 411.

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Published: 01/01/2010 Number of Pages: 4File Size: 1 file , 33 KB