Metal Primer (Pettit)
- Exceptional adhesion to all ferrous metals also including steel, cast iron, galvanized and stainless steel.
- Wets, seals and adheres to firmly attached rust.
- Dries rapidly allowing multiple coats in one day.
- May be applied at temperatures down to 10°F.
Pettit 6980 Rustlok Steel Primer is a one package moisture cured polyurethane coating designed for application over any steel or cast iron surface, including galvanized and stainless steel. Rustlok Steel Primer contains aluminum flake pigment which forms a dense, water impervious barrier. The result is excellent corrosion protection. In addition, Rustloks polyurethane chemistry offers tremendous adhesive strength and wetting ability. It is this combination that allows Rustlok to perform well even when applied over rusted surfaces. Rustlok Steel Primer is recommended anytime an easy to apply, effective anti-corrosive barrier coat is desired.
Applied by brush, roller or spray at temperatures ranging from 10° to 100°F. 1 hour dry time between the recommended two coats; 2 hours before recoating with another paint. Approx. gallon coverage: 500 sq. ft.
Rustlok Steel Primer may be applied by brush, roller or spray. A minimum of three coats of Rustlok is recommended to achieve good, long-term corrosion protection. Four or more coats of Rustlok will yield excellent long-term results.
Rustlok reacts with ambient moisture. To avoid gelation of the paint, keep containers tightly sealed when not in use. Thinning is not normally required and is not recommended. Follow the recommended dry time and recoat guidelines carefully. Once fully cured, Rustlok forms an extremely hard surface which is very difficult for other coatings to adhere to. If the dry to recoat time is exceeded, heavy sanding with 80 grit sandpaper is mandatory to achieve proper adhesion of subsequent coats of paint. To eliminate the labor of sanding, plan your work carefully so that each coat of Rustlok and the first application of topcoat (antifouling or topside enamel) will be done before the previous coat dries hard.
Coating performance, in general, is proportional to the degree of surface preparation. Follow recommendations carefully, avoiding shortcuts. Inadequate preparation of surfaces will virtually assure inadequate coating performance.
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