Acrylic

Description : Originally a soft, warm, machine-washable substitute for wool, acrylics today also mimic properties of cotton. Acrylic fibres can be either woven or knitted. In addition to their light weight, they are characterized by their good drape qualities, their resiliency, their quick-drying property, and their resistance to wrinkling, sunlight, oil, chemicals, moths and mildew. Acrylic fabrics can also be heat-pressed so as to hold a pleat or fold. They are not very moisture absorbant, may shrink badly, and they generate static electricity.
Fabrication : Acrylic is produced from a colorless liquid composed of a curious combination of coal, air, water, oil and limestone. Acrylic fibres offer warmth without weight. Like many modern synthetic fibres, acrylic fibres can be made that produce a range of types of yarn from very smooth ones to bulkier versions.
Subtypes : Several trademarked versions of acrylics are found, including Acrilan, Pil-Trol, Creslan Micro-Supreme, and WeatherBloc, each with different characteristics.
Dyes, color treatment and washing characteristics : Acrylics tend to be weaker when wet, so they must be handled carefully to avoid stretching. Because many acrylics shrink, they should be prewashed and preshrunk before being used in garments.
Draping properties :
Cutting properties : Like other synthetic fibres, acrylic causes scissors and needles to dull quickly, requiring frequent replacement of needles, for example.
Sewing challenges :
Example creations : Knitted sweater,
Uses worldwide :
Origins and history :
Wikipedia reference

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