Paint 41, Moisture-Cured Polyurethane Primer (0) No Reviews yet $25.00 SKU: ST-PAINT41 Options Back $25.00 Quantity -+ Add to Cart Details You are purchasing a downloadable pdf of this Standard. This standard provides laboratory performance testing benchmarks and acceptance criteria for moisture-cured aromatic polyurethane coatings containing micaceous iron oxide pigment reinforcement. Coatings meeting these performance criteria may be used as primers applied directly to steel substrates or as intermediate coats applied over compatible primers. Specifiers may use the standard to establish minimum performance criteria using laboratory testing. Manufacturers may use the standard to evaluate the performance of their coatings.