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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