Rustoleum - 4268 Heat Resistant Primer is a Anti-corrosive heat resistant metal primer for new, bare steel or blasted steel surfaces that provides heat resistance up to 425°C dry heat.

Features

• Long-term continuous heat resistance up to 425°C
• Contains a high amount of rust inhibitors
• High build primer increases life expectancy of the system
• Excellent flow
• Industrial Quality

Recommended Use

Rustoleum 4268 should be used on new, bare steel or blasted steel surfaces and provides heat resistance up to 425°C dry heat in sheltered or interior environments, if recoated with Heat Resistant Topcoat 4215. On blasted steel two coats of Primer 4268 should be applied prior to the application of 4215.

Surface Preperation

Remove grease, oil and all other surface contaminations by alkaline- or high pressure (steam) cleaning in combination with appropriate detergents. For optimum results remove rust, rust scale, mill scale and deteriorated coatings by abrasive blasting to Sa 2½ (ISO 8501-1 : 1988), blast profile max. 50 µm. The surface must be clean and dry during application.

Directions For Use 

To ensure homogeneity, coating materials should be thoroughly stirred prior to use.

Application Conditions

Temperature of air, substrate and coating material between 5 and 35°C and relative humidity below85%. The substrate temperature must be at least 3°C above dewpoint.

Application & Thinning : Brush

Up to 10% volume RUST-OLEUM Thinner 150. Use natural bristles, long hair brushes.

Application & Thinning : Roller

Up to 10% volume RUST-OLEUM Thinner 150. Use medium nap, polyamide 8 -12 mm rollers. Roller application may require 2 coats to achieve recommended dry film thickness

Application & Thinning : Airless Spray

If required up to 5% volume RUST-OLEUM Thinner 150. Pneumatic and electric airless equipment. Tip size: 0.013-0.015 inch. Fluid pressure: 130 - 200 bar. Checkwet film thickness, avoid excessive film thickness.

Application & Thinning :  Air-Atomised Spray

10-20% volume RUST-OLEUM Thinner 150. Gravity cup and pressure cup. Tip size: 1.2 -1.8 mm. Atomizing pressure: 2 - 4 bar