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Properties of Fabrics
Quick questions on Synthetic and regenerated fibres - SQA Higher Fashion and Textile Technology
6short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is polyester?Show answer
Polyester is strong, crease-resistant, quick-drying, holds its shape, is cheap and is thermoplastic (it can be heat-set to fix pleats). Its weakness is that it is not absorbent (so it can feel clammy and hold odours) and it melts and shrinks from heat rather than burning cleanly. It is the most widely blended fibre, used in shirts, trousers, school uniform, curtains and fillings.
What is nylon (polyamide)?Show answer
Nylon is very strong, elastic, abrasion-resistant and lightweight, which makes it ideal for items that take heavy wear: hosiery, sportswear, swimwear, rucksacks, ropes and umbrellas. Like polyester it is not absorbent and is thermoplastic, and it can be damaged by sunlight over time.
What is elastane (Lycra)?Show answer
Elastane has exceptional elasticity and recovery, stretching several times its length and springing back. It is used in small percentages (often 2 to 5 per cent) to add stretch and a close, comfortable fit to leggings, sportswear, swimwear, jeans and underwear.
What is acrylic?Show answer
Acrylic is soft, warm and lightweight, a cheaper substitute for wool, used in knitwear, fleece, blankets and soft toys. It is easy-care and resists moths, but it is not very absorbent, can pill, and is highly flammable, so it is unsuitable for nightwear.
What is q1?Show answer
State the origin of viscose and one property that makes it suitable for a summer dress. [2 marks]
What is q2?Show answer
Explain two reasons a manufacturer might blend acrylic with wool for a jumper. [4 marks]
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