Polymers

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

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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