Thermoplastics Quick Fire

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Across
  1. 3. This is often used for disposable cutlery
  2. 4. The process of refining crude oil.
  3. 7. This is the process of converting the large hydrocarbon molecules into smaller, more useful versions
  4. 8. Commonly used for boat rope
  5. 10. High density polyethylene sometimes called this
Down
  1. 1. This material is considered to be self-lubricating
  2. 2. Are thermoplastics synthetic or natural?
  3. 5. Used to make Tetra pack
  4. 6. This is often used for electrical tape
  5. 8. Perspex and plexiglass are common trade names for this polymer
  6. 9. Which is harder HDPE or LDPE?