
1.Tension test of rope clip at both ends
2.Tension test for stitching position
3.Needle pitch density measurement
4.Colour fastness to friction test
5.Colour fastness test by wash in water
1.Tension test of rope clip at both ends
2.Tension test for stitching position
3.Needle pitch density measurement
4.Colour fastness to friction test
5.Colour fastness test by wash in water