Wednesday, April 27, 2011

Differences Between Thermoplastic and Thermosettingplastic

     Thermoplastic                                      Thermosettingplastic
1.These are plastics which can          1.These are plastics which harden permanently.
be softened after once hardened        can not be reshaped once hardened.
and again can be hardened
2.Retains almost all the original         2.Properties especially chemical properties changes
properties remelting and then            after remelting
3.e.g.Nylon, poly vinyl chloride,          3.e.g. Phenol formaldehyde, urea
cellulose acetate etc.                         formaldehyde etc

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