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Table 7 Adhesive joint leather/TR: 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 264 8.80
Untreated 17.3 0.58
TR: chemical treatment 17.5 0.58
Leather: mechanical treatment 73 2.43
TR: chemical/Leather: mechan. 227 7.57
Leather: primer 22 0.73
Leather: mechan. + primer 113 3.77