Page 648 - Corrosion Engineering Principles and Practice
P. 648

604   C h a p t e r   1 4                      P r o t e c t i v e   C o a t i n g s    605








              Uses and Properties  High resistance against tidal and impact  action, good oil and water resistance, good   Two components, topcoat, excellent  weathering resistance, color and gloss  retention, isocyanate-free Helidecks, ramps, walkways and concrete  floors, resistant to chemical spillage Potable water systems,















           Time   Before   Overcoat  6 h  adhesion  2–3 h  24 h  16 h  disbondment  16 h  contact   24 h  6 h  3 h  8 h




              Touch Dry


                    2 h    2 h    20 h  5 h  3 h    6 h  10 m  2 h  30 m


             Thickness   (µm)  500–625  50  500–1000  75–200  75–150  3000–5000  25–63  125–150  50–125





              % Solid  100    44    72    85    73  100    46    61    52





                    Solvent-free epoxy (spray or trowel)  Weather-resistant epoxy acrylic  High build, high solids epoxy  High solids epoxy primer  High build, anticorrosive epoxy  Multipurpose epoxy primer  (continued)







              Coating type  Epoxy Coatings  Non-skid epoxy  Armor epoxy  Zinc-rich epoxy primer  TABLE 14.4
   643   644   645   646   647   648   649   650   651   652   653