Learning objective
Fabric finishes The effects of finishes and the reasons they are needed in relation to: • the fibre/fabric properties • end use of the product.
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The use of finishes
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The use of finishes
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Quick explanation
Fabric finishes The effects of finishes and the reasons they are needed in relation to: • the fibre/fabric properties • end use of the product
- This point belongs to The use of finishes, especially The use of finishes.
- You need to be able to fabric finishes The effects of finishes and the reasons they are needed in relation to: • the fibre/fabric properties • end use of the product.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Why it matters
This objective helps connect The use of finishes to exam-style questions, flashcards, and revision notes for The use of finishes.
Quick student answer
Which of the following finishes is primarily used to enhance the water resistance of a fabric?
Direct answer
Water repellent finishes are applied to fabrics to create a barrier against water, making them suitable for outdoor clothing and gear.
Key terms
- Water repellent finish: A fabric treatment that prevents water absorption, allowing water to bead and roll off.
- Flame retardant finish: A chemical application that reduces the flammability of fabrics, enhancing safety.
Common trap
Confusing finishes with fabric types: Remember that finishes modify the properties of fabrics, while the fabric type determines the base characteristics.
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Related learning objectives
- 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
- Laminating as a finishing process That a laminated fabric is a membrane system made up of two or more layers, and the principles behind how laminated fabrics work.
The use of finishes