Polymer Technology
Bakelite (phenol-formaldehyde) resin can not be used as

Decorative laminates
Decorative paint
Electrical insulation
Glass reinforced plastics

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Polymer Technology
Synthetic rubber

Is brittle at low temperature
Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases
Is softer at higher temperature
Deforms, if stretched to double of its original dimension

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