How is PP plastic made?

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Tags

  1. #ziegler
  2. #polymerization
  3. #variety
  4. #natta
  5. #produced
  6. #system
  7. #weights
  8. #molecular
  9. #rigid
  10. #presence
  11. #plastic
  12. #propylene
  13. #catalyst
  14. #tough
  15. #usually
  16. #metallocene
  17. #crystallinities
  18. #polypropylene