This V66V280 industrial catalyst hardener is a high-performance reactive component designed for use in advanced polyurethane, urethane enamel, and protective coating systems. Packaged in a 53-gallon (200-liter) steel drum, it is well-suited for factories, refinishing shops, production facilities, and high-volume industrial coating lines. Formulated with reactive isocyanate chemistry, this activator improves crosslinking, surface hardness, chemical resistance, and long-term durability of compatible two-component coatings. It delivers consistent curing performance, making it ideal for heavy-duty applications such as structural steel, metal fabrication, machinery, automotive components, and industrial equipment. This catalyst is recommended for professional use only and requires proper ventilation, PPE, and compliance with industrial chemical handling protocols. Ships as a hazardous material via ground or freight service only.