HDP and LDP are high-density polythene and low-density polythene respectively.HDP has a linear structure whereas LDP is highly branched.HDP has high density due to close packing of molecules in it.
HDP and LDP differ in various aspects as given below:
Chemically inert and tough chemically inert but flexible
Has higher melting point has a lower melting point
Used to make buckets, used to make flexible pipes,
dustbins etc. toys etc.
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