TAPPI/ANSI T 836 om:2020(R2025)
Current
The latest, up-to-date edition.
Bending Stiffness, Four Point Method
Hardcopy , PDF
English
29-05-2025
A rectangular test specimen is clamped at each end with a clamping pressure P over the length s, leaving a free span l in the center (see Fig. 1).
| DocumentType |
Official Test Method
|
| Pages |
8
|
| PublisherName |
Technical Association of the Pulp & Paper Industry
|
| Status |
Current
|
| Supersedes |
This procedure specifies the method of determining the bending stiffness, also called flexural rigidity, in the machine and cross directions, of corrugated board using four-point loading.
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