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POLYMER TECHNOLOGY

Polymer Technology
Polyurathane can not be used to make

Coating and adhesive
Fibre reinforced plastic (FRP)
Thermal insulation in refrigerator
Automobile cushion

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Polymer Technology
Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ?

Teflon
Cellulose acetate
Water impermeable cellophane
Polythene

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Polymer Technology
Flexible foam (for mattresses) are usually made of

Silicone rubber
PVC
Polyurethanes
Polyamides

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Polymer Technology
Bakelite is

Same as polytetra flouro ethylene (PTFE)
Same as thermoset phenol formaldehyde
An inorganic polymer
Not a polymer

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Polymer Technology
Bakelite is a/an

None of these
Elastomer
Thermoplastic
Addition polymer

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