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Polymer Technology

Polymer Technology
Polypropylene is preferred to polythene, because the former is

Harder
Both B & C
Non-inflammable
Stronger

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Polymer Technology
Buna-S is also called

Polyurathane
Teflon
SBR
Bakelite

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Polymer Technology
Silicone resins, which are highly water repellant and has good heat resistance can not be used

As grease & lubricant
Hydraulic fluid for heat transfer
Resin for lamination
As room temperature adhesive

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Polymer Technology
Styrene butadiene rubber (SBR) is never used for making

Soles of shoes
Front wheel tyres of aeroplanes (i.e., heavy duty tyres)
Coated fabrics
Gaskets

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Polymer Technology
Amino resins are used in paper treatment to improve its

Wet tear and bursting strength
All of these
Wet rub resistance
Folding endurance

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Polymer Technology
Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but

Saturated polyester
Alkyd resin
Polyamide
Polyacrylonitrile

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