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| 1. |
Describe advantage and disadvantage of artificial fibre? |
| Answer» i. Advantages of Synthetic Fibre\tStrong: Synthetic fibres are strong so they can take up heavy things easily.\tRetain their original shape: Synthetic fibres retain their original shape so it\'s easy to wash and wear.\tElastic: Can easily be stretched out.\tSoft: Synthetic fibres are generally soft so they are used in clothing materials.\tColour: Varieties of colours are available as they are manufactured.\tCost: Clothes made by synthetic fibres are generally cheaper than those made by natural fibres.\tSpecific qualities of fibres can be produced deliberately and quickly in accordance with the demand.\tThe filaments can be produced as fine or as coarse as required, staple lengths can be cut exactly to order. Fibres can be produced with a high degree of lustre, with reduced or completely dull lustre, as required.\tUnlike natural fibres, the final product of manmade fibres does not require cleaning.\tMost of the fibres are pure white or colourless when produced, but if necessary, colour can be incorporated during the production of the manmade fibres.\tThe growth and utility of manmade fibres are mainly influenced by its positive qualities, viz. wrinkle resistance, crease recovery, easy care properties, etc. Manmade fibre fabrics bring out substantial saving on laundry costs; unlike cotton, it can be washed in a basin in the evening, hung up to dry and be worn without ironing the following morning.\tThe light weight characteristic of manmade fibre fabrics gives more mobility because of less weight and quantity—a tourist can take along with, him a few clothes. Hence, these fibres are referred to as Easy-Care fibre fabrics.\tMost of the synthetic fibres possess high resistance to moth, mildew, insects, mould, which simplify the storage problems, the economy of little loss from these causes.ii. Disadvantages of Synthetic Fibre\tDoes not absorb moistures: Synthetic fibres do not absorb sweat, trapping heat in our body.\tRough feel: Synthetic fibres may give the rough feel, making it unsuitable for pyjamas, underwear, etc.\tSome individuals are often prone to skin allergy, because of the dermatological action of manmade fibres. This puts a restriction on its use (such problems do not arise in the case of natural fibres).\tIn general, the manmade fibres are generally hydrophobic in nature; this is necessarily a disadvantage when their products have to be worn next to the skin.\tThese fabrics fail to absorb the perspiration; thus the wearer feels discomfort in a hot climate.\tManmade fibre fabrics are a little difficult to sew. Seams do not hold tight as in natural fibre fabrics. So, stitching charges were higher. But this is compensated for by durability and wash and wear properties.\xa0 | |