Page 647 - Corrosion Engineering Principles and Practice

C h a p t e r 1 4

604
structures, unlimited overcoating time, good
Two components, fast-drying, useful for a
Two components, holding primer, can be
Two components, for land and marine
holding primer for rapid turnaround
overcoated with many other paints
Uses and Properties
impact resistance and flexibility
Solvent-free, quartz-reinforced
Overcoat
Before
Time
24 h
6 h
3 h
8 h
Touch Dry
10 m
30 m
6 h
2 h High resistance against tidal and impact 6 h action, good oil and water resistance, good adhesion Two components, topcoat, excellent 2–3 h 2 h weathering resistance, color and gloss retention, isocyanate-free Helidecks, ramps, walkways and concrete 24 h 20 h floors, resistant to chemical spil
2 h
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