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Electrophoretic deposition (also known as electrocoating or e-coating) is a process by which electrically charged particles are deposited out of an aqueous solution and onto a conductive (metal) part or assembled product. During the electrocoat process, paint is applied to a metal part at a certain film thickness, which is regulated by the amount of voltage applied. The electrocoat solids initially deposit in the areas closest to the counter electrode and, as these areas become electrically insulated, solids are forced into more recessed bare metal areas to provide a complete and even coat.

Because of its ability to coat even the most complex parts and assembled products with specific performance requirements, electrocoating is used throughout the industry to coat a variety of products including: agricultural equipment, appliances, automobiles, automotive parts, marine components, transformers, metal office furniture, lawn and garden equipment and furniture, fasteners, trim appliances, fixtures and much more.

Finishers choose electrocoating to provide their products with a durable, lasting coating. And because e-coat can be used as a primer, topcoat, or both – and with other types of coatings – the versatility is endless. Electrocoating offers numerous benefits including: cost savings, increased line productivity, and environmental advantages. Due to the higher transfer efficiencies, precise film-build control, and low manpower requirements, electrocoating offers significant cost savings. Environmental advantages include no- or low-VOCs (volatile organic compounds) or HAPs (hazardous air pollutants), heavy metal-free products, reduced exposure of workers to hazardous materials, reduced fire hazards, and minimum waste discharge.