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Table 8 Adhesive joint leather/PU: peel strength per unit width

From: Importance of the surface treatment in the peeling strength of joints for the shoes industry

Surface treatments Maximum load (N) Peel strength per unit width (N/mm)
All treatments 215 7.17
Untreated 29 0.97
PU: mechanical treatment 188 6.27
PU: primer 71 2.37