Overview
Acrylic yarn is a synthetic textile fiber derived from polyacrylonitrile (PAN), first commercialized in the 1950s as an affordable alternative to wool. Its polymer structure replicates wool's crimp and warmth while offering superior resistance to wear, chemicals, and sunlight. Modern acrylic yarns undergo advanced spinning techniques to mimic natural fibers' texture. They dominate budget-conscious markets due to low production costs and consistent quality. Unlike wool, acrylic is inherently moth-resistant and machine-washable, making it ideal for mass-produced textiles.
Physical and Chemical Properties
Acrylic yarn exhibits a tensile strength of 2–4 g/denier, with moderate elasticity (20–50% elongation). Its moisture regain is only 1–2.5%, significantly lower than wool's 15–17%, granting quick-drying characteristics. The fiber's thermal properties include a glass transition temperature of ~85°C and decomposition above 300°C. Chemically, it resists weak acids, alkalis, and organic solvents but may yellow under prolonged UV exposure unless treated with stabilizers.
Main Applications
Over 60% of acrylic yarn supplies the apparel sector, particularly for sweaters, scarves, and socks where warmth-to-weight ratio matters. Its colorfastness makes it preferred for children's wear and uniforms. In home textiles, acrylic yarns weave into fade-resistant upholstery fabrics and outdoor furniture covers. Crafters value its consistency for amigurumi and tapestry projects. Industrial uses include filtration fabrics and reinforcement composites.
Safety and Storage
Acrylic yarn poses minimal health risks but may release hydrogen cyanide gas if burned—ensure proper ventilation during thermal processing. Bulk storage requires humidity below 65% to prevent static buildup. For fire safety, opt for modacrylic variants (containing vinyl chloride) in applications like stage curtains. Always verify Oeko-Tex or REACH compliance certificates when sourcing for EU markets.
B2B Procurement Guide
Key specifications for bulk procurement include denier (typically 2–15), filament count, and twist level (Z-twist for knitting, S-twist for weaving). Solution-dyed yarns offer better color retention than piece-dyed alternatives. Leading manufacturers like Aditya Birla and Dralon provide custom copolymer blends for specialized applications. MOQs usually start at 500kg, with price breaks at 5-ton increments. Always request UV stability test reports for outdoor-use yarns.
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