U-Pol System 20 4:1 High Build Gray Primer 1 Liter - UP2251

Use for spot repair and large panels

The U-POL 4:1 High Build Primer Gray is a multipurpose primer that combines the functionality of three products in one. Here are its key features:

• Versatile Mixing Ratios:
  • Mix 4:1 for use as a primer filler.
  • Mix 4:1:1 for a primer surfacer.
  • Mix 4:1:2 for a primer sealer.
• Quantity and Color: Comes in a 1-liter size. Available in gray color.
• Application Range: Suitable for both spot repairs and large panels.
• Build and Surface Leveling: Offers excellent build properties, allowing for effective filling and leveling. Provides a smooth and level surface for subsequent coatings.
• Sandability: Easy to sand, both wet and dry, facilitating a smooth and even finish.
• Compatibility: Can be applied directly to metal surfaces. Suitable for use over most plastics. Compatible with unsanded E-coat, aluminum, and galvanized surfaces. Note: Requires an acid etch primer, such as ACID#8™, for application over aluminum surfaces.
• Tintability: Can be tinted with up to 10% using a urethane mixing base.

Can be used on GRP (Glass Reinforced Plastic), SMC (Sheet Molding Compound), fiberglass, polyester filler, and OEM surfaces.

It's important to follow the recommended mixing ratios and application guidelines for optimal results. Additionally, users should adhere to the substrate compatibility recommendations for effective primer application.

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