Standard: TAPPI T 825

FLAT CRUSH TEST OF CORRUGATED BOARD (RIGID SUPPORT METHOD)

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Scope:

The flat crush test (1) is a measure of the resistance of the flutes in corrugated board to a crushing force applied perpendicular to the surface of the board under prescribed conditions. The test is satisfactory for single-faced or single wall (double-faced) corrugated board, but not for double-wall or triple-wall corrugated board, because of lateral motion of the central facing or facings. In this method the specimen rests on an essentially rigid support and is tested at a constant deflection rate. See TAPPI T 808 "Flat Crush Test of Corrugated Board" for the procedure in which the specimen rests on a flexing support and is tested at a constant rate of loading. The test methods do not produce similar results.

Organization: TAPPI
Document Number: tappi t 825
Publish Date: 2014-01-01
Page Count: 4
Change Type: COMPLETE REVISION
Available Languages: EN
DOD Adopted: NO
ANSI Approved: YES
Most Recent Revision: YES
Current Version: YES
Status: Active

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