About Rust-Oleum Hard Hat Stain Blocker 2990

Rust-Oleum Stain Blocker 2990 is a matt white high-pigmented coating based on a plasticized acrylic resin for the permanent isolation of problem stains from nicotine, soot, tar and rust and the effects of moisture, graffiti and a numerous other colourings.

Surface Preparation

Remove dirt, grease, oil, loose rust and all other surface contaminants by appropriate means.

Sand intact coatings to roughen the surface slightly.

The surface must be clean and dry during application.

Application

Remove cover cap. Shake vigorously for at least one minute after the rattle of mixing ball is heard.

Shake frequently during use.

Hold can approx. 25 cm from surface. Use back and forth motion keeping can parallel with surface. Ensure that can is in motion when spray button is pressed to avoid runs and sags.

Apply several thin layers at a few minutes interval to achieve an adequate coating thickness.

After use turn can upside down and press spray button for 2 - 3 seconds to clean the valve. 

Drying times at 20°C  and 50% RH

Tack free: 5 minutes

To recoat: Wet in wet / after ½ hour

Full hardness 24 hours

Coverage Rate

Theoretical: 2,1 m² per aerosol at 30 µm dry

Practical coverage depends on many factors such as roughness of the substrate and material losses during application.