figure 90

mixed pulp with short deteriorated fibres (Mierzinski sample 62). Example of a paper that has lost its strength (45° corner fold detachment at 5 folds). Beating characteristics are not discernible due to fibre deterioration. MWP not in this micrograph. Cotton (1), CWP (2) and kaolin (3) [micrographs and z-stack BvV].


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