3M Scotchkote Liquid Epoxy Coating 323+ Brush Grade 1 Liter Kits This two-part system features improved adhesion, flexibility, and impact resistance to help prevent corrosion on steel pipes and other metal surfaces. Improved sag resistance and high build rate. VOC free. Formulated without nonylphenol. to damage from acids and bases in pH range 2 to 14 Pack of 1