National Paints 4L Oxide Primer - Grey

This primer adheres well to galvanised steel, aluminium, wood, and masonry surfaces. It’s formulated to provide a solid bond across these common substrates and is suitable for coastal areas where corrosion resistance is beneficial.

Yes. It is designed for interior and exterior applications, delivering corrosion resistance and a film that prepares surfaces for topcoats in a variety of environments.

Yes. It is a lead-free and chromate-free, single-pack primer. As with any solvent-borne coating, use proper ventilation and personal protective equipment (gloves, mask) during application and drying periods.

Start with a clean, dry, and degreased surface. Remove loose paint, rust, and dust. Stir the primer well before use. For best adhesion, ensure the surface is smooth and repair any imperfections prior to priming.

The product is typically applied as a ready-to-use single-pack primer. If thinning is required, use a compatible thinner and minimize thinning to preserve film integrity. Always follow the label instructions for thinning ratios.

Apply one or more coats as needed based on surface porosity and desired finish. The primer is designed to dry quickly; drying times depend on temperature and humidity. Allow adequate dry time between coats as indicated on the product label.

Yes. The Grey Oxide Primer provides corrosion resistance and is effective in preventing mildew and fungi growth, making it suitable for challenging environments, including coastal areas.

The primer delivers a smooth, even base for topcoats with good coverage. Actual coverage varies with surface porosity and texture; consult the product label for approximate coverage guidance on your substrate.

For metal substrates and exterior wood, this Grey Oxide Primer offers strong adhesion, corrosion resistance, and fast drying, making it a solid general-purpose option. When choosing, compare adhesion to your substrate, corrosion protection needs, drying times, and compatibility with your topcoat.

The primer is designed for long-lasting performance, helping topcoats adhere better and extend the life of the finish. For purchasing, consider cost-per-coat, overall project coverage, and the retailer’s return policy. Always store the product as recommended to preserve quality.