Page 197 - Corrosion Engineering Principles and Practice
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172 C h a p t e r 6 R e c o g n i z i n g t h e F o r m s o f C o r r o s i o n 173
FIGURE 6.26
Sample of PFRI
sinking in water
on its own weight
twenty-four hours
after it was left
to float.
FIGURE 6.27
Sample of
isocyanurate
foam still floating
on water after
six weeks.
