If you want a touch of class and art in your kitchen, you might consider choosing a copper kitchen sink. Copper kitchen sink is a great way to add old world charm to a kitchen countertop or work area. Copper kitchen sink have a unique style that can add a wonderful focal point to your kitchen. Copper kitchen sinks are produced from sheets of copper, using hammering techniques and a number of different heating processes. Recycled copper is used to create less expensive sinks, and is usually retrieved from discarded machines, computers, and other used copper products. When shopping for a copper kitchen sink, it is important to keep in mind that the higher the proportion of pure copper content relative to other metals, the more durable the sink will be. Copper kitchen sinks come in a variety of finishes, and require relatively low maintenance, needing no particular special care. Applying a gentle car or brass wax will maintain the natural, gleaming color of the copper sink, inhibiting the natural aging process that would otherwise change the color and overall look of the sink.