Learning objective
Students should be able to describe a range of laminated fabrics, including: • Gore-Tex ® • Sympatex ® • Bonded fabrics, eg fake leather backed by a woven fabric to give stability. Visit aqa.org.uk/7562 for the most up-to-date specification, resources, support and administration 23.
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The use of finishes
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The use of finishes
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Quick explanation
Students should be able to describe a range of laminated fabrics, including: • Gore-Tex ® • Sympatex ® • Bonded fabrics, eg fake leather backed by a woven fabric to give stability. Visit aqa.org.uk/7562 for the most up-to-date specification, resources, support and administration 23
- This point belongs to The use of finishes, especially The use of finishes.
- You need to be able to students should be able to describe a range of laminated fabrics, including: • Gore-Tex ® • Sympatex ® • Bonded fabrics, eg fake leather backed by a woven fabric to give stability. Visit aqa.org.uk/7562 for the most up-to-date specification, resources, support and administration 23.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
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Quick student answer
Which of the following is a key feature of Gore-Tex® fabric?
Direct answer
Gore-Tex® fabric is designed to be both waterproof and breathable, making it ideal for outdoor clothing and gear.
Key terms
- Laminated fabric: A fabric made by bonding two or more layers together to enhance performance characteristics.
- Moisture management: The ability of a fabric to wick away moisture from the body while allowing breathability.
Common trap
Confusing Gore-Tex® with regular waterproof fabrics: Remember that Gore-Tex® specifically allows moisture vapor to escape, which is not true for all waterproof fabrics.
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Related learning objectives
- Fabric finishes The effects of finishes and the reasons they are needed in relation to: • the fibre/fabric properties • end use of the product.
The use of finishes
- Mechanical finishes A range of mechanical finishes, including: • brushing/raising • calendaring • embossing • heat setting using thermoplastic fibres to give permanent pleats or crinkles and make fabric non-crease and non-shrink • stone and sand washing.
The use of finishes
- Understand how the physical characteristics of fabrics can be modified by using mechanical finishes, eg trapped air acts as an insulator, air supports combustion, smooth fabric reflect light better than those with texture. 22 Visit aqa.org.uk/7562 for the most up-to-date specification, resources, support and administration Chemical finishes A range of chemical finishes, including: • mercerisation • flame retardancy, eg Proban ® and Pytovatex® used on cotton fabrics • water resistance • non-iron/crease resistance, eg Teflon • shrink resistance and anti felting • moth proofing • anti-pilling • hygienic (sanitised).
The use of finishes
- Detailed knowledge of the chemicals involved and methods of application is not expected.
The use of finishes
- Understand how the physical characteristics of fabrics can be modified by applying chemical finishes.
The use of finishes