Polymer Technology
Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is

Polyester
Bakelite
Nylon-66
Teflon

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Polymer Technology
Thermocole (expanded polystyrene) is not used for

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

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