A rectangular test specimen with a pre-cut slit or notch is placed in a tensile testing machine. The specimen is pulled in such a way that the tear propagates from the pre-cut area. The maximum force required to continue tearing the leather is recorded.
The test involves placing a specimen between clamps in a tensile machine and separating the layers at a constant speed (commonly 100 mm/min ) while measuring the force. Current Status and Replacements din 53357 pdf
For new projects, engineers often use DIN EN ISO 2411 (for rubber- or plastics-coated fabrics) or ISO 8510-1/2 (for adhesives and peel tests) as contemporary substitutes for adhesion testing. DIN 53357 - 1982-10 A rectangular test specimen with a pre-cut slit
Replacement amendments. This document has been replaced by: DIN 55543-5:2017-10 . DIN 53357 - 1982-10 The test involves placing a specimen between clamps
The standard specimen shape is typically rectangular. The dimensions according to the classic DIN methodology are generally: