U-Pol UP4832 ACID#8 Acid Etch Primer Aerosol

The U-Pol UP4832 ACID#8 Acid Etch Primer is a fast-drying, aerosol-applied acid etching primer designed to promote maximum adhesion on bare metal, aluminum, and galvanized surfaces. Formulated with a built-in phosphoric acid etching agent, it chemically bonds to the substrate to create a corrosion-resistant foundation ideal for automotive body repair and refinishing applications.

ACID#8 is compatible with most topcoat systems and can be used as a direct-to-metal primer before applying filler primers, surfacers, or color coats. It is suitable for both professional bodyshop use and enthusiast-level repairs.

Key Features:

• Acid etch chemistry for superior adhesion to bare metal, aluminum, and galvanized steel
• Built-in corrosion inhibitors to protect against rust and oxidation
• Fast-drying aerosol formula for quick, convenient application
• Compatible with most 1K and 2K topcoat and filler primer systems
• Ideal for automotive body repair, refinishing, and panel preparation
• Ready-to-use aerosol — no mixing or thinning required

The U-Pol UP4832 ACID#8 Acid Etch Primer is a trusted solution for professional refinishers and DIY enthusiasts who need reliable adhesion promotion on bare or freshly abraded metal surfaces prior to painting.