Product description
ISO 3379 Determination of Distension and Strength of Surface (Ball burst method)
This ISO standard 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.
*** Before conducting this ISO standard, it is important to read the entire specification. Standards can be obtained from appropriate standard authorities.

