Things You'll Need
Masking or painters tape
Plastic dip paint
Manufacturers use metal to produce many of the products and tools used around a home or work place. Durable and long-lasting, metal can be shaped into various parts for machinery, appliances and hand tools. Add a protective coat of paint to metal to help decrease rust and corrosion. Add a protective coat of paint to metal parts using a dip method to apply an even coat.
Prepare the metal surface for dipping into paint. Remove light rust and corrosion with sandpaper. Scrub heavier rust spots with a wire brush, followed by sandpaper.
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Wipe the surface of the metal part with denatured alcohol to remove sanding debris and oils that could interfere with paint adhesion.
Tape off any areas that should not receive paint during the dip process. Apply masking or painter's tape to areas you don't want painted.
Open a container of plastic paint dip. Stir the paint dip with a wooden stir stick to thoroughly mix it.
Dip the metal part slowly straight down into the paint dip. Pull the metal part slowly out of the paint dip and hold over the paint container to allow excess paint to drip.
Position the metal part so it does not contact anything while drying. Allow two to three hours for the paint dip to dry and thoroughly cure before you use the item.