Main Performance Index of Microfiber Leather Products
Main Performance Index of Microfiber Leather Products
ensile strength (Mpa): warp ≥9 weft ≥9 (GB/T3923.1-1997)
Elongation at break (%): warp ≥25 weft ≥25
Tear force (N): warp ≥70 weft ≥70 (GB/T3917.2-1997)
Peel strength (N): ≥60 GB/T8948-1995
Bursting load (N) ≥110
Surface color fastness (level): dry friction level 3-4 wet friction level 2-3 (GB/T3920-1997)
Folding fastness: -23℃, 200,000 times, no change on the surface
Light fastness (level): 4 (GB/T8427-1998)