SYSTEM 20 National Rule 4:1 High Build Primer - 1 Liter Tin - Gr - U-POL

The U-POL SYSTEM 20 National Rule 4:1 High Build Primer (Model 2251) is a professional-grade solution engineered for exceptional performance in automotive and industrial repair. This high-solids primer delivers superior build and outstanding surface leveling, preparing substrates efficiently for a flawless topcoat finish. Designed for versatility, it adheres directly to various metals and can be tinted for optimal color matching.

Key Features

• Excellent Build and Surface Leveling: Formulated to provide significant film build and superior leveling properties, effectively filling minor imperfections for a smooth surface.
• Easy Sanding: Allows for quick and effortless sanding, whether wet or dry, optimizing workflow for professional technicians.
• Direct-to-Substrate Application: Can be applied directly to bare metal, properly prepared aluminum, galvanized steel, and most plastics, streamlining the priming process.
• Tintable Formula: Compatible with up to 10% urethane mixing base, offering flexibility for custom color matching.
• Versatile Compatibility: Suitable for application over unsanded E-coat, GRP, SMC, fiberglass, and polyester fillers, accommodating diverse repair scenarios.
• Optimized Adhesion: Requires an acid etch primer, such as U-POL ACID #8, when working with aluminum and galvanized substrates for enhanced adhesion.

Applications

This U-POL SYSTEM 20 primer is ideal for a wide range of automotive and industrial applications, from precise spot repairs to preparing large panels. It excels in environments where durability and a high-quality finish are paramount. Professional body shops and industrial maintenance operations will benefit from its ability to provide a robust foundation on bare metal, properly prepared aluminum and galvanized surfaces, GRP, SMC, fiberglass, polyester fillers, and existing OEM finishes. Its high build characteristics make it perfect for achieving a consistently level surface prior to painting.