When it comes to protecting metal surfaces from corrosion, zinc spray is a highly effective solution. This quick-drying, durable anti-corrosive agent is particularly useful for safeguarding welded seams, drilled holes, and other vulnerable areas. In this article, we will guide you through the process of using zinc spray for anti-corrosion, highlighting its benefits compared to traditional paint.
Understanding Zinc Spray
Zinc sprays are formulated to provide a protective layer that prevents metal surfaces from rusting. They are available in two versions: dark grey zinc for cold galvanized metals and alu-zinc for electric galvanized metals. These sprays are ideal for metal repairs, such as fixing damaged zinc surfaces and covering drilled or welded areas.
One of the key advantages of zinc spray is its high zinc dry content. For instance, our product with the code 400171 has a zinc dry content of over 92% and can withstand 1000 hours of salt spray testing. Another variant, with the code 400172, has a zinc dry content of over 90% and can endure 320 hours of salt spray testing. This high zinc content ensures long-lasting protection against corrosion.
Preparation Before Application
Before applying zinc spray, it is crucial to prepare the metal surface properly. Start by cleaning the surface to remove any dirt, grease, or rust. Use a wire brush or sandpaper to ensure the surface is smooth and free of contaminants. This step is essential for the zinc spray to adhere effectively.
Next, shake the can vigorously for at least one minute after the shaking balls inside the can become audible. This ensures that the zinc particles are evenly distributed within the spray. High viscosity is a characteristic of zinc spray, so thorough shaking is necessary to avoid valve blocking.
Application Process
Once the surface is prepared and the can is well-shaken, you can begin applying the zinc spray. Hold the can approximately 20-30 cm away from the surface and spray in a steady, sweeping motion. Apply multiple thin coats rather than a single thick coat to achieve even coverage and better protection.
Allow each coat to dry for a few minutes before applying the next one. This layering technique enhances the durability of the protective layer. Be sure to cover all areas, especially welded seams and drilled holes, as these are more prone to corrosion.
Post-Application Care
After applying the zinc spray, it is important to clean the spray nozzle to prevent clogging. Turn the can upside down and spray until only the propellant comes out. This clears the nozzle and ensures it will be ready for future use.
Keep in mind that zinc spray should not be overpainted with alkyd paints. If you need to apply a topcoat, choose a compatible paint type to avoid any adverse reactions. Proper post-application care will extend the life of the protective layer and maintain its effectiveness.
Benefits of Zinc Spray Over Traditional Paint
Using zinc spray offers several advantages over traditional paint for anti-corrosion purposes:
Quick-Drying: Zinc spray dries faster than traditional paint, reducing downtime and allowing for quicker project completion.
Durability: The high zinc content provides superior protection against rust and corrosion, especially in harsh environments.
Ease of Use: Zinc spray is easy to apply, even on complex surfaces like welded seams and drilled holes.
Versatility: Suitable for various metal repairs and anticorrosive applications, making it a versatile solution for different projects.
In conclusion, zinc spray is an excellent choice for protecting metal surfaces from corrosion. By following the proper preparation, application, and post-application steps, you can ensure long-lasting protection and maintain the integrity of your metal structures. For more information on our zinc spray products, visit our product page.
