Aluminum, Galavanized & Other NonFerrous

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SURFACE PREPARATION

Remove oil, grease, dirt, etc. with solvent, wipe and dry off. Mechanically etch the surface with steel wool or “0” grade paper. Wipe with clean rag to remove traces of steel or aluminum. Alternately, apply a thin coat of the etch primer and allow to dry for 1 hour. Apply 1 coat of Rainbow Zinc Chromate Yellow Primer and let it dry overnight. Apply 2 coats of Rainbow Super Glass Enamel in the shade required, with overnight drying time between coats. If a gloss finish is required 2 to 3 coats of Rainbow Super Gloss Enamel can be applied.

PRIMER COAT

Rust does not affect these materials, but poor adhesion is a major problem. For obtaining proper adhesion of the paint, either a pre-treatment solution or wash primer should be used before applying a finishing paint; weathering of aluminum or galvanized surfaces usually assists adhesion.

 

FINISHING COAT

Apply 2 coats of Rainbow Super Gloss Enamel allowing 12 to 16 hours drying time between coats. It can be applied with brush, roller or spray. To obtain desired viscosity, thin up to 10% by using good-quality mineral turpentine (white spirit).

 

COVERAGE

Coverage will depend on surface and application but on an average, 1 liter of Rainbow Super Gloss Enamel will cover 16 to 18 m2 per liter per coat on a normal surface.

 

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