Question
What is meant by LDP and HDP? Mention the basic difference between the same with suitable examples.

Answer

  • LDP is low density polyethylene and HDP is high density polyethylene.
  • LDP is a branched polymer with low density due to chains are loosely held and HDP is a linear polymer with density due to close packing.
  • HDP is much stiffer than LDP and has high tensile strength and hardness.

LDP is mainly used in preparation of pipes for agriculture, irrigation and domestic water line connections. HDP is used in manufacture of toys and other household articles like bucket, bottles, etc.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free