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Highcliffe 11-2
Blended Fabrics
Question | Answer |
---|---|
Name three properties of cotton. | Any from: strong, hard wearing, absorbent, Comfortable to wear, cool in hot weather, easy to dye, cheap, easy to wash, creases easily, flammable, shrinks, slow to dry |
Name three properties of polyester. | Strong, hard wearing, cheap, crease resistant, dries quickly, not absorbent, not biodegradable, melts as burns. |
Name three properties of polyester cotton. | Strong, hard wearing, dries reasonably quickly, soft, comfortable, crease resistant, doesn't shrink, very highly flammable. |
Why are different fibres combined into fabrics? | To give better properties. |
What is a disadvantage of combining fibres? | Some of the more undesirable properties can be mixed in. |
Name the two ways of combining fibres. | Blending and mixing. |
How are fibres blended? | When two or more fibres are combined to produce a yarn by twisting together (spinning). |
How are fibres mixed? | By two or more different types of yarn being woven together. |
How are polyester and cotton combined to make polyester cotton? | By blending the fibres. |
Name two fibres that are often mixed to make a fabric. | Lycra and cotton are mixed to make a stretchier fabric - for making things like leggings out of. |