Denim How to Sew XHvy Thread Sizes 2810（牛仔如何缝制XHvy线程大小2810）.pdfVIP

TECHNICAL BULLETIN Denim – How to Sew X-Heavy Thread Sizes Retail designers are always looking for a way to make their products unique and this definitely applies to sewing denim garments. From a thread perspective, this can include: Using contrast color threads o For all topstitching operations o For different operations o For different needles of the same operation Using threads that will maintain their color regardless of the wash process. o Using a 100% polyester thread dyed with disperse dyes Using threads that will wash-down depending on the severity of the finishing process. o Using a cotton wrapped core thread o Using an true indigo dyed cotton wrapped core thread Using a thread that looks different that regular stitching thread. o Shiny thread like Signature Plus® or J Metallic® o Two-color thread like Design-A-Core® Using different thread sizes that give a bolder stitch appearance. LARGER THREAD SIZES THAT GIVE A BOLDER TOPSTITCH APPEARANCE Tex Size = Gram Weight Per 1000 meters of undyed yarn. See the World Wide Size Comparison Chart for yarn size conversion. Years ago the most common size of thread used for topstitching denim was a Tex 60 or 80 or possibly Tex 105 size threads. Page 1 of 4 TECHNICAL BULLETIN Recently many manufacturers have graduated to a Tex 120 size thread to give a slightly bolder stitch appearance. Today, many denim designers are looking at much heavier thread sizes including Tex 150, Tex 180, Tex 240 and even Tex 300. This has created problems for many denim garme