Core-spinning and blending a yarn 0.0 / 5 ? TextilesYarnsAll LevelsAQA Created by: Steff06Created on: 22-05-16 13:30 What is core-spinning? A filament core and staple sheath twisted around the core. 1 of 9 How can elastane be core-spun? A stretched Elastane filament core, spun with a sheath of staple fibres to case the Elastane. 2 of 9 What is sheathing? Elastane core, wrapped with twisted filament yarns. 3 of 9 What is interlacing? Multi-filaments are blown with a hot air jet which causes them to intermingle and bond together. 4 of 9 How are socks knitted and core-spun? Knitted using a core-spun yarn (Nylon and Elastane core with cotton spun around in a sheath). 5 of 9 What is blending? When yarns are spun from 2 or more types of fibres. 6 of 9 What are the reasons for blending? Reduces costs, improves care, allow for thermoplastic setting, strength/abrasion resistant. Improve comfort/change texture. 7 of 9 What must happen before fibres are spun together? They must be cut into staples of compatible lengths. 8 of 9 What must elastane be? Covered with another fibre. 9 of 9
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