Polymers

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H D S N W U R K F N L F H T
O P W O S I B O C R E Q R B
G O H I H A M I A H J P D K
L E B T A K N V K D V K P Y
H U L C E V F V E G W P K G
I C P A T R P U R I E A A D
G W S E I D Q B D K V X W O
H D Y R C S M F P Y T M C Q
P U M Q C S K U J B M T A E
N C K P E G B G N T X M G O
Q W I P B A R Y D B O E J P
H K N U N B M J N Y C X N R
V F F K P W D L D L L V A H
A P J C U J U T A S H N T G

Clues

  • HD polyethene is made by heating ethene at ____ temperatures and pressures (3)
  • LD polyethene is flexible and can be used for bottles or (4)
  • LD polythene is made by heating ethene under _______ pressure (4)
  • Starting materials and _______ conditions affect a polymers properties. (8)

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