Cotton for tea bag threads
A tea break is always welcome, but a break in production of tea bags due to poor quality thread is quite another thing.
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Coats è esperta nella progettazione e fornitura di una vasta gamma di prodotti che servono una varietà di mercati strategici di utilizzo finale.
Coats does not recommend adding any additional lubricant / silicone on thread. Thread colour may change, it can create large variation of frictions and cause oil staining. Atomised silicone may also become a health issue if breathed by operators / machinists.
The dye uptake depends on many parameters such as cotton type, quality, finish etc. and any difference in these parameters between the fabric and thread will result in shade difference.
To improve seam elongation it is possible to increase the stitch rating per cm or inch, increase the bite, reduce the needle / looper tensions on affected seams or change thread types used.