U Pol Products System 20 National Rule 4:1 High Build Primer - 1 Gallon Tin - White

Features and Benefits:

• Use for spot repair and large panels
• Excellent build and surface leveling properties
• Easy to sand wet or dry
• Can be applied direct to metal and over most plastics and over unsanded E‐coat
• Requires an acid etch primer, like ACID number eight for aluminum and galvanized
• Tintable with up to ten percent with urethane mixing base
• Substrates: Bare metal, properly prepared aluminum and galvanized, GRP, SMC, fiberglass, polyester filler, OEM surfaces



SYSTEM 20 is a versatile multipurpose primer designed to provide the performance of two products in one, offering excellent flexibility for a wide range of repair sizes. It delivers strong build and superior surface leveling, making it ideal for both spot repairs and full panel applications. The coating sands easily whether wet or dry and can be applied direct to metal, most plastics and unsanded E‐coat. When working with aluminum and galvanized surfaces, it requires the use of an acid etch primer such as ACID number eight to ensure proper adhesion. The formula can be tinted with up to ten percent urethane mixing base, allowing for greater versatility in the refinishing process. SYSTEM 20 is suitable for bare metal, properly prepared aluminum and galvanized, GRP, SMC, fiberglass, polyester filler and OEM surfaces.