Multiple choice

Which of the following varieties of polyethylene is used for natural gas and offshore oil applications?

  1. Ultra-high-molecular-weight polyethylene

  2. High-density polyethylene

  3. Cross-linked polyethylene

  4. Medium Density Polyethylene
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C Correct answer
Explanation

Cross-linked polyethylene, is a form of polyethylene with cross-links. It is formed into tubing, and is used predominantly in hydronic radiant heating systems, domestic water piping and insulation for high tension (high voltage) electrical cables. It is also used for natural gas and offshore oil applications,  transportation of chemicals, and transportation of sewage and slurries.

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