TAPPI/ANSI T 411 om:2015
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Thickness (caliper) of paper, paperboard, and combined board
Hardcopy , PDF
24-11-2021
English
28-09-2018
Important note : Users cannot be edited or removed once added to your Multi user PDF.This method involves measuring the thickness of a single sheet of paper, paperboard, or combined board by the use of an automatically operated micrometer when a specified static load is applied for a minimum specified time1.
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Test Method
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0
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This document will be available in PDF format in the "My Electronic Documents" link on the home page once your order has been completed. Please make sure you have the latest version of Acrobat Reader. Click on the Acrobat Reader icon to check for the latest version, it’s FREE. To print a hardcopy of a PDF file correctly you must have a postscript printer. If you are not sure if your printer is a postscript printer please refer to your owner’s manual.This method describes the procedure for measuring single-sheet thickness and variations in single sheet thickness of paper, paperboard, and combined board. The term “combined board”encompasses both corrugated and solid fiberboard.Because of the method of selecting samples longer in the cross machine direction for thickness profile measurements, 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) at the prescribed pressure of 50 kPa.Another method for measuring the thickness of paper is TAPPI T 500 “Book Bulk and Bulking Number of Paper,” which describes a procedure for measuring the overall thickness of a stack of book paper under pressure of 250 kPa (35 psi).An essentially identical method is described in ASTM D 645-96. 1.5 TAPPI T 551 “Thickness of Paper and Paperboard (Soft Platen Method)” describes a method for measuring the effective thickness of paper and board products utilizing soft rubber platens. This method always yields smaller values than TAPPI T 411.
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Technical Association of the Pulp & Paper Industry
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Superseded
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This method describes the procedure for measuring single-sheet thickness and variations in single sheet thickness of paper, paperboard, and combined board.
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