Give the characteristics properties and important uses of polythene and
bakelite
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Answer:characteristics of Teflon are as follows: 1.It maintains high strength, toughness and self-lubrication at low temperatures. 2. Its melting point is 600 K, 327 °C.
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Characteristics of polythene are as follows:
have low strength.
Its density: 0.88–0.96 g/cm cube.
Polythene is of two types:high density and low density.
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Give the characteristics properties and important uses of the followings:a .polythene b. polystyrene c.teflon d.bakelite
by Anshu341 07.05.2018
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Answer:
Characteristics of polythene are as follows:
1. Have low strength
2.Its density: 0.88–0.96 g/cm cube
3.Polythene is of two types:high density and low density.
Bakelite are as follows :
1. Bakelite has a number of important properties. It can be molded very quickly, decreasing production time. Moldings are smooth, retain their shape and are resistant to heat, scratches, and destructive solvents. It is also resistant to electricity, and prized for its low conductivity. It is not flexible.
2. Phenolic resin products may swell slightly under conditions of extreme humidity or perpetual dampness. When rubbed or burnt, Bakelite has a distinctive, acrid, sickly-sweet or fishy odor.
3 . It is used in making electrical switch boards and handles of cookware.
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