Leather - Determination of distension and strength of surface (Ball burst method)
STANDARD published on 1.5.2025
Designation standards: ČSN EN ISO 3379
Classification mark: 793840
Catalog number: 520924
Publication date standards: 1.5.2025
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This document 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