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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Polymer Technology
Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to

Protect rubber goods from attack by oxygen & ozone present in the atmosphere
Increase its viscosity
Reduce its viscosity to permit easier processing
Reduce the time of vulcanisation and quantity of vulcanising agent

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