Paper and board. Determination of bending resistance - Taber-type tester
Paper and board. Determination of bending resistance - Taber-type tester
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1 Scope This part of ISO 2493 specifies procedures to measure the bending resistance of paper and paperboard. This part of ISO 2493 is used to determine the bending moment required to deflect the free end of a 38 mm wide vertically clamped specimen by 15° when the load is applied at a bending length of 50 mm. For boards that tend to be permanently deformed if bent through 15°, the half bending angle , i.e. 7,5°, can be used. The bending resistance is expressed in terms of the bending moment and parameters set by the manufacturer of the Taber-type tester. The method is primarily used for papers with a high grammage.
NOTE This part of ISO 2493 does not cover the low-range version of the Taber-type instrument that uses a bending length of 10 mm (Reference [5]).
Упомянутые в описании и другие стандарты BS