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SYNTHETIC FIBRES AND PLASTICS

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Title: PowerPoint Presentation Author: ram Last modified by: Server6 Created Date: 10/18/2005 9:41:10 PM Document presentation format: On-screen Show (4:3) – PowerPoint PPT presentation

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Title: SYNTHETIC FIBRES AND PLASTICS


1
SYNTHETIC FIBRES AND PLASTICS
  • Ms. ANUPAMA SINGH

2
  • CHARACTERISTIC PROPERTIES OF PLASTICS

3
PLASTIC IS NON-REACTIVE
  • Unlike metals plastics do not react with water
    and air hence do not corrode easily.

4
  • Hence used for storing various kinds of materials
    like chemicals, food items and pickles.

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PLASTIC IS LIGHT, STRONG AND DURABLE
  • It is therefore used for making buckets or mugs
    of different shapes and sizes which are generally
    cheaper than metals.

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PLASTICS ARE POOR CONDUCTORS OF HEAT AND
ELECTRICITY
  • It is used for making covering of electrical
    wires, handles of screw drivers and handles of
    frying pans.

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  • USES OF PLASTICS

12
  • Used in packing tablets, threads for stitching
    wounds, syringes, doctors gloves and surgical
    instruments.

13
  • Used for making special plastic cookware for
    microwave ovens.

14
  • Teflon is used for making non-stick coating for
    utensils.

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  • Uniforms of firemen have fire proof coating of
    melamine.

17
BIODEGRADABLE MATERIAL
  • Material which gets decomposed through natural
    processes such as action of bacteria.
  • Example plants and animal waste, paper, cotton
    wood.

18
NON-BIODEGRADABLE MATERIAL
  • Material which is not easily decomposed by
    natural processes.
  • Example metals articles, plastic bags.

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