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

Teflon
Polyester
Nylon-66
Bakelite

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Polymer Technology
Elastomers are

Exemplified by protein derivatives
Thermosetting material
Having very high tensile strength and heat resistance
Having high flexural strength

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