PS 28.02, Three-Coat Moisture-Cured Polyurethane System
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SSPC-PS 28.02 Three-Coat Moisture-Cured Polyurethane Coating System, Performance Based
This standard contains performance requirements for a moisture cured polyurethane coating system for use on steel substrates comprised of a zinc-rich moisture-cured polyurethane primer meeting performance requirements of SSPC-Paint 40; a moisture-cured polyurethane intermediate coat meeting requirements of SSPC-Paint 41; and a moisture-cured aliphatic polyurea topcoat meeting requirements of SSPC Paint 38. The standard also contains requirements for three performance levels for the system based on the color and gloss retention of the topcoat.