27. TENSILE STRENGTH: [1]
• If an external force is applied to a material, it is balanced by internal
forces developed in the molecular structure of the material
• The straight strength and elongation of sewing thread must be
adequate for good sewing performance as well as good seam
Strength
• The loop strength of a thread contributes directly to the stitch
strength and hence to the seam strength.
SEWING THREAD EFFECT ON
SEAM
[1] http://www.ptj.com.pk/Web-2010/01-10/Jan-2010-PDF/Sumit-Manda.pdf