The text for typically refers to the Standard Test Method for Flexibility and Adhesion of Finish on Leather . This standard provides a scientific way to evaluate how well leather coatings—such as those on shoes, car seats, or bags—resist cracking and peeling after being repeatedly bent. Core Summary of ASTM D6182
40 hours minimum at 23 ± 2 °C and 50 ± 10% RH for thicknesses under 7 mm.
The text for typically refers to the Standard Test Method for Flexibility and Adhesion of Finish on Leather . This standard provides a scientific way to evaluate how well leather coatings—such as those on shoes, car seats, or bags—resist cracking and peeling after being repeatedly bent. Core Summary of ASTM D6182
40 hours minimum at 23 ± 2 °C and 50 ± 10% RH for thicknesses under 7 mm.