Royal E-Coat
931 Newhall Street
Costa Mesa, CA
92627
Tel: (949) 645-6246
Fax: (949) 645-9259
edward@royalecoat.com
www.royalecoat.com
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E-coat is an electrically-applied paint coating. It is also known as electrocoating, electronic coating, electronic painting, and electrophoretic coating. E-coating was developed originally for the automotive industry because it is economical and provides superior coverage, adhesion, and corrosion resistance. It coats aluminum, zinc, brass, steel--any material that conducts electricity. Some common applications for ecoat:
- automotive parts
- metal stampings
- electronic housings
- door hardware
- marine hardware
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- bicycle parts
- patio furniture
- aluminum die castings
- plumbing hardware
- lighting fixtures
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Here is how e-coat works:
The parts to be coated are attached to metal racks and immersed in an e-coat paint bath. An electrical charge (either positive or negative) is applied to the rack and therefore to the parts attached to it. An opposite electrical charge is applied to the paint bath. The metal parts attract the oppositely-charged paint particles. As the paint is deposited it begins to act as an insulator and deposition slows, stopping at a thickness that is determined by the amount of voltage applied. Even though deposition may have slowed or be complete at one area on the surface of the part, deposition will continue at any uncoated or incompletely-coated areas of the part until complete coverage is achieved. As you can see, the very nature of the e-coat process tends to produce a complete and uniform coat--even on the most complex pre-assembled parts!
Dyes and other additives are used to control color, translucence, and gloss. Black e-coat is the most commonly specified color. Clear electrocoat is available. The thickness of the coatings can be varied from around .0002" to .001" as required. See E-Coat Advantages for more about e-coat characteristics.
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