The Boero Defender Bi-Component Epoxy Antifouling Primer is a high-performance, two-component epoxy primer designed to provide exceptional anti-corrosive and anti-osmosis protection for boat hulls, outboards, and superstructures. Its advanced formulation includes mica platelets that form a layered barrier within the coating, enhancing its protective properties. The primer can be applied as a multi-purpose primer and as a bonding coat for antifouling systems. Notably, it allows for sanding-free overcoating for up to three months, offering flexibility in application. The Defender Primer is available in 0.75 L and 2.5 L formats and can be applied by brush, roller, or airless spray. Its high resistance and optimal adhesion ensure long-lasting protection and a flawless finish. Utilizing the Defender Primer extends the lifespan of your boat and ensures maximum protection against marine aggressions.
- Exceptional anti-corrosive properties
- Can be used as a multi-purpose primer and bonding coat
- Sanding-free overcoating time of up to three months
- Available in 0.75 L and 2.5 L formats
- Suitable for application by brush, roller, or airless spray
Technical Specifications
- Composition: Two-component epoxy
- Color Options: White and Grey
- Theoretical Coverage:
- 150 µm thickness: 3.6 m²/L
- 60 µm thickness: 11 m²/L
- Number of Coats: 2–4
- Time Between Coats: 4–6 hours
- Sanding Time: 12 hours
- Pot Life: 5 hours
- Catalyst Volume Ratio: 3:1
- Dilution:
- Spray application: Thinner 693, up to 25%
- Brush/Roller application: Thinner 693, up to 5%
Materials
- Epoxy resin
- Mica platelets
- Hardener
Compatibility Information
- Compatible with all types of boat hulls, including fiberglass, aluminum, and steel
- Suitable for use as a bonding coat for Boero antifouling systems
Application Tips
- Surface Preparation: Ensure the surface is clean, dry, and free from dirt, grease, or residues. Lightly sand the surface to improve adhesion.
- Mixing Components: Mix the two components according to the manufacturer's instructions to achieve a homogeneous mixture.
- Application Methods:
- Brush: Use a quality brush for even coats, ideal for small surfaces and hard-to-reach areas.
- Roller: Use a short-pile roller for quick and even application on large surfaces.
- Airless Spray: For professional application, use an airless sprayer for uniform and quick coverage.
- Number of Coats: Apply at least two coats for optimal protection. Allow each coat to dry according to the manufacturer's recommendations before applying the next.
- Drying Time: Adhere to the drying times indicated on the product packaging. Generally, allow the primer to dry for 24 hours between each coat.
- Application Conditions: Apply the primer in favorable weather conditions, ideally in dry weather and at temperatures between 10°C and 30°C.
- Overcoating: The Defender primer allows for sanding-free overcoating for up to three months. Ensure to respect this timeframe to apply the antifouling or any other finishing coat.
