Page 654 - Corrosion Engineering Principles and Practice

608 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 609

Uses and Properties Single-component primer as base for complete waterborne system on steel Good for lightly rusted steel, eliminates the need for blasting, suitable for epoxy topcoats For use over waterborne primer; for light to moderate chemical or high humidity exposure; good resistance to mechanical dama

Time Before Overcoat 2 h 6–8 h 1 h 2 h 1 h metals 16 h 2 h 16 h

Touch Dry 10 m 30 m 30 m 15 m 5 m 60 m 15 m —

Thickness (µm) 50–75 50–75 50–75 50–75 13 50 38 —

% Solid 43 43 42 45 10 35 42 100

Coating type Waterborne Coatings Waterborne primer Waterborne rust converting primer Waterborne finish Waterborne aluminum Miscellaneous Polyvinyl butyral etch primer Vinyl finish Water-based decorative wall paint Low viscosity solvent-free epoxy sealer (continued) TABLE 14.4