b. Different types of Novelty Yarns: 1. Slub yarns 2. Flock yarns 3. Spiral yarns 4. Ratine yarn 5. Boucle yarn 6. Nub/spot/ knot or knob yarns 7. Seed or splash yarn 8. Chenille yarn 9. Metallic yarns 4.7 PROPERTIES OF SEWING THREADS: The performance of textile fabrics and clothing is strongly influenced by the properties of the yarns from which they are made. Sewing threads require certain yarn properties.

Degummed Cultivated Silk Weighted Cultivated Silk Wild Silk Wrinkles little, fine lustre Full, heavy, wrinklesless, Coarser, heavier than fine and smooth durable and has strong lustre cultivated silk, darker Types: spun silk, noil silk c. Properties of silk: Shape : The fiber is long from 1,000 to 1,300 years.