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Polymer Technology

Polymer Technology
Rain coats are made of

SBR
Neoprene
PVC
Polyurathane

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Polymer Technology
Thermosetting resins/polymers as compared to thermoplastic ones are

Formed by addition polymerisation only
Easily reshaped & reused
More brittle
Soluble in all organic solvents

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Polymer Technology
Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an

Polystyrene
Polyisoprene
Polyamide
Polyester

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Polymer Technology
__________ is normally used for the manufacture of refrigerator components and transistor parts.

Polyurathene
Polystyrene
Polyester
Polyproylene

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Polymer Technology
Low density polythene as compared to high density polythene is

Tougher
More flexible
Harder
Chemically inert

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Polymer Technology
Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties.

Thermoplastic
Brittleness
Thermosetting
Elastometric

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