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
hardening.
3.e.g.Nylon, poly vinyl chloride, 3.e.g. Phenol formaldehyde, urea
cellulose acetate etc. formaldehyde etc
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
hardening.
3.e.g.Nylon, poly vinyl chloride, 3.e.g. Phenol formaldehyde, urea
cellulose acetate etc. formaldehyde etc
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