ISO 3379:2015 (IULTCS/IUP 9) Preview
Leather -- Determination of distension and strength of surface (Ball burst method)
ISO 3379:2015 specifies a test method for the determination of distension and strength of the leather grain or finished surface. This method is applicable to all flexible leathers and it is particularly suitable to determine the lastability of leathers for footwear uppers.
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