Household and Recreation FAQs Archives | Página 26 de 28 | Coats Group plc
COA: 77.77 GBp
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¿Cómo determino resitencia de costura?

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 […]