U-POL® SYSTEM 20 UP2303 National Rule Fast Hardener, 1L Tin – Clear Liquid for 2K Primers & Clearcoats

Product Description:Get the perfect cure, every time, with U-POL® SYSTEM 20 UP2303 National Rule Fast Hardener. Specially engineered for use with U-POL 2K primers and clearcoats, this fast-acting hardener accelerates drying and curing—ideal for spot repairs, panel jobs, and quick turnarounds in busy automotive and collision repair shops. The clear, easy-to-mix liquid delivers reliable performance and helps achieve a durable, high-gloss finish, all while complying with National Rule VOC regulations. Trusted by professionals, UP2303 ensures your repairs are ready for the next stage, fast. Features: Fast Curing: Speeds up the drying process for quick turnaround and efficient workflow. Designed for 2K Systems: Optimized for use with U-POL 2K primers and clearcoats. National Rule Compliant: Meets National Rule VOC requirements (check local regulations). Clear Liquid Formula: Mixes seamlessly without affecting color or finish clarity. Professional-Grade Results: Ensures optimal hardnes