Isopon Zinc 182 Rust Inhibiting Primer Grey Spray Can

Description Isopon Zinc 182 Rust Inhibiting Primer – Grey Isopon Zinc 182 is a high-performance anti-rust primer designed to stop corrosion in its tracks and provide a tough, long-lasting base for paint. Packed with zinc for superior protection, it’s ideal for use on cars, trailers, agricultural equipment, metal gates, railings and general steelwork where rust is a problem. Engineered by U-POL’s Isopon range, Zinc 182 chemically inhibits rust formation and adheres strongly to bare metal, previously painted surfaces and even lightly rusted steel (once properly prepared). It can be over-painted with most topcoats, making it a versatile solution for both DIY users and professionals. Key Features & Benefits Powerful rust inhibitionFormulated with active zinc pigments that help prevent corrosion and stop rust from spreading underneath the paint film. Excellent adhesion to metalDesigned for bare steel and lightly rusted surfaces, providing a solid, long-lasting key for topcoats. Durable, hard-wearing baseOnce cured, Zinc 182 forms a tough, chip-resistant coating that withstands everyday knocks, road grime and weather exposure. Compatible with most paint systemsCan be overcoated with cellulose, acrylic, synthetic and 2K paints (check system compatibility on a small area first). Fast dryingTouch-dry typically within 20–30 minutes (depending on film thickness, temperature and airflow), helping speed up your repair process. Ideal for automotive and general useSuitable for bodywork repairs, chassis, panels, trailers, machinery, garden furniture, gates and railings. Typical Uses Automotive body panels and repair areas Chassis, sills and underbody components (when top-coated appropriately) Metal gates, railings and garden structures Agricultural and construction equipment General steelwork in workshops, garages and sheds Surface Preparation Clean – Remove all dirt, grease, oil, wax and road film with a suitable degreaser. Remove loose rust & paint – Wire brush, sand or grind to remove loose/flaky rust and old paint. Feather edges – Sand surrounding paint to a smooth feathered edge for a seamless repair. Dry & dust-free – Ensure the surface is completely dry and free from dust before priming. Proper preparation is essential for maximum adhesion and rust protection. Application (Aerosol Version) Shake well – Shake the can vigorously for at least 2 minutes after the mixing ball begins to rattle. Test spray – Try on a scrap surface to check spray pattern and compatibility. Spray distance – Hold 20–30 cm from the surface. Apply light coats – Use several light, even coats rather than one heavy coat to avoid runs and ensure even coverage. Flash-off time – Allow a few minutes between coats as per can instructions. Drying time – Touch-dry typically within 20–30 minutes; allow recommended time before sanding or over-coating. Overcoating Ensure the primer is fully dry before applying topcoat. Can be over-painted with most solvent-based and 2K automotive paints. For best results, lightly sand with fine abrasive (e.g. P400–P600) and remove dust before top-coating. Coverage & Sizes Isopon Zinc 182 is available in a range of sizes, commonly including: 500ml aerosol – ideal for quick repairs and hard-to-reach areas 250ml, 1L and 2.5L tins – suited to larger panels, gates, trailers and machinery Approximate coverage and exact sizes vary by pack – see product label or your chosen size for specific details. Colour & Finish Colour: Grey Finish: Matt/low sheen primer finish, designed to be overcoated – not a final topcoat. Suitable Substrates Bare steel and iron Lightly rusted steel (properly prepared) Previously painted metal (sound, well-keyed coatings) Not recommended for galvanised steel, aluminium or non-metallic substrates unless specifically pre-treated with an appropriate etch or adhesion promoter. Safety & Handling Use only in a well-ventilated area. Avoid breathing spray/mist – consider using suitable respiratory protection. Wear gloves and eye protection to avoid skin and eye contact. Keep away from heat, sparks and open flames – aerosol is highly flammable. Keep out of reach of children. Always read the full safety and usage instructions on the tin or aerosol before use.