TAPPI T 825 om-14

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The flat crush test 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 Crust 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.

Product Details

Published:
2014
ANSI:
ANSI Approved
Number of Pages:
4
File Size:
1 file , 92 KB
Redline File Size:
2 files , 2.9 MB

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