Polymer Technology
Styrene butadiene rubber (SBR) as compared to natural rubber has

Poor tensile strength
Greater amount of heat build up heavy loading
Poorer resistance
All of these

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Polymer Technology
Thermocole (expanded polystyrene) is not used for

Accoustic control and ceiling for building
Packing of delicate electronic gadgets
Low temperature thermal insulation as in refrigerator and air conditioners
High temperature thermal insulation in furnaces

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