Mineral fibres - asbestos and glass 0.0 / 5 ? TextilesTextilesA2/A-levelAQA Created by: Steff06Created on: 09-06-16 10:18 What is asbestos Natural rocks 1 of 9 How is asbestos made into yarns? Rocks crushed by heavy rollers. Produces a fibrous white material. Carded, twisted and spun into yarns. 2 of 9 What are the advantages of using asbestos? Resistant to flames and acid. Thermal and electrical resistance. 3 of 9 What are the limitations of using asbestos? Not strong, doesn't wear well. Carcinogenic - cancer causing and dangerous. 4 of 9 Describe the end uses of asbestos Aprons, carpets, flame-resistant upholsteries, pipe covering, fire-fighters clothing, military clothing, planes. 5 of 9 How is glass made into fibres? Melted down, stretched into thin filament fibres. 6 of 9 What can be applied to glass fibres to add extra properties? A coating or sizing such as a lubricant or a binder to improve the strength and protect from breaking. 7 of 9 What are the positives surrounding the use of glass fibres? High strength, fire resistant, doesn't shrink, resistant to high/low temperatures, does not rot, excellent insulator. 8 of 9 What are some of the end uses of glass fibres? Electrical purposes, fire fighters clothing, carpets, pipe covering, aprons, electrical cloth, flame-retardant fabrics. 9 of 9
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