Soy Protein Fibres
topic
Soy fibres from soybean protein isolate (after oil extraction) dissolved in alkaline solution with additives, wet-spun, and crosslinked. Properties: tenacity 2.5-3.0 g/den, moisture regain 8-10%, cashmere-like softness, natural sheen, antibacterial activity, and UV resistance. Production primarily in China (50,000-100,000 tonnes annually) with brands like Soymilk Fiber and Soysilk.
Role
Utilizes soy processing byproducts creating soft, lustrous fibres for knitwear, underwear, and home textiles while offering agricultural waste valorization and biodegradability advantages.
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