Historical
ONORM EN ISO 3377-1:2003
Leather - Physical and mechanical tests - Determination of tear load - Part 1: Single edge tear (ISO 3377-1:2002) (FOREIGN STANDARD)
ISO 3377-1:2011 specifies a method for determining the tear strength of leather using a single-edge tear. The method is sometimes described as a trouser tear. It is applicable to all types of leather.
Austrian Standards Institute [on]