... types: Cotton yarn, Flax yarn, High twist yarn, Polyester sewing thread, Slub yarn, Core-spun spandex yarn………WeavingYarn ... after treatmentApplied types Slub yarn,High twist yarn,All-polyester poplinKnittingImprovement of yarn’s strength and elongation can reduce ... though yarn heat setting , reduce yarn breaks in weavingYarn is soft, belt surface is flatApplied types Velvet tape,Mercerized tape ...