COA: 77.77 GBp
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Home • Industry FAQs • How to I determine seam strength?

Stitch type, seam type, thread type and size etc. play vital roles in seam strength. Choosing all these properly can enhance seam strength.

A generic formula is available to determine seam strength:

For lockstitch = Stitch per inch (SPI) x Thread breaking strength (STS) x 1.5

For chainstitch = Stitch per inch (SPI) x Thread breaking strength (STS) x 1.7