Lesonal Primer Pro Sealer Hardener Slow Quart - 544595

Lesonal Primer Pro Sealer Hardener Slow – 1 US Quart (SKU 544595)

Lesonal Primer Pro Sealer Hardener Slow – 1 US Quart (SKU 544595) is a professional-grade slow-curing hardener formulated for use with the Lesonal Primer Pro sealer system. Designed to deliver extended working time and controlled drying, this hardener helps automotive refinish professionals achieve a smooth, even sealer coat with improved adhesion and enhanced surface build.

Ideal for collision repair and refinishing applications, it is particularly effective when you need more open time for application or are working in warmer conditions, allowing for better leveling and reduced surface defects before applying basecoat and clearcoat layers. When mixed according to Lesonal Primer Pro guidelines, it supports durable, high-quality refinishing results that meet professional standards.