the most important quality requirments for safty leathers for footwear

1. test requirments

Test---------------------Requirements

---------------Shaft upper matrial------insoleleather-------Lining/ Tongue
thickness-------- min------------------ min--------------Min
For dry areas --------(-)-------------- 2.0mm---------- 0.8mm
All other areas -------(-)-------------- 2.5mm------------0.8mm
Ladies footwear ------1.5mm ----------(-)---------------(-)

Men's shoes ----------1.8mm ----------(-)------------(-)

Men's boots ----------2.4mm-----------(-)------------(-)

abrasion -------------(-)------------- Maxi.5% --------(-)

Distension of grain ----Min.7.0mm-----(-)-----------------(-)

Split tear force --------Min.100N-------(-) -----------------Min.18N
Water vapors
permeability --------Min.0.85 mg *h-1 *cm-2--(-)------------2.0mg * h-1 *cm-2
Water absorption -----(-)----------------After 8 hours min.35% ------(-)
Release of water ------(-)------------After 16 hours min 40%--------(-)

Water proof depending

on type of shoe Min.60/90 minutes --------(-)-------------------(-)