R-M RMH98 – Low VOC Slow Hardener (Quart)

R-M RMH98 Low VOC Slow Hardener (Quart) is a professional automotive hardener designed to provide extended working time and controlled curing for collision repair and refinishing applications. Engineered for use with compatible R-M clearcoats and topcoats, this slow-speed hardener allows improved flow and leveling, making it ideal for larger panels, complex refinishing work, and warmer shop conditions.

Formulated with low VOC chemistry, RMH98 supports environmental compliance while delivering consistent activation, strong film build, and durable finish performance. Its slower reaction profile gives refinishing professionals greater control to achieve smooth, uniform results without compromising long-term protection.

Key Features

• Quart Size: Ideal for small to medium refinishing jobs, panel repairs, and specialty applications
• Low VOC Slow Hardener Formula: Designed for environmental compliance with extended open time
• Controlled Cure Speed: Well-suited for warm temperatures and larger repair areas
• Reliable Activation: Promotes uniform film development and consistent finish appearance
• Professional Grade: Trusted by collision centers, auto body shops, and refinishing technicians
• System Compatible: Engineered for use with approved R-M refinishing systems