SSPC-Paint 40

SSPC-Paint 40


Asset:  Bridge, Offshore Structure, Onshore Structure, Pipeline
Environmental Characteristic:  Below Freezing Point, High Humidity, Low Humidity
Industry:  Oil and Gas, Pipelines and Underground Systems, Energy Generation and Distribution, Water and Wastewater, Transportation Infrastructure, Maritime, Pulp and Paper, Misc. Corrosion
Process:  Application
Substrate:  Carbon Steel


Zinc-Rich Moisture-Cure Polyurethane Primer, Performance-Based


This specification contains performance requirements for an organic zinc-rich moisture-cure polyurethane primer with a thermoset binder. SSPC PS 12.00 describes this primer as a Type II B zinc-rich primer. This zinc-rich moisture-cure polyurethane primer is characterized by the presence of free polyisocyanate groups capable of reacting with atmospheric moisture in order to form a film.