Signs of pure tungsten carbide

There aren't many ways to tell just by looking at a ring whether or not it's pure tungsten carbide or a tungsten carbide and cobalt combination. The price is one of the most telling features, because rings made with cobalt are usually cheaper in price. The best way to make sure that you have a genuine tungsten carbide ring is to get a guarantee from the manufacturer, so that if your ring does have cobalt in it you can get a replacement at little or no charge.

Tungsten carbide rings are extremely strong and durable, and the same goes fortheir "permanent" finish. Pure tungsten carbide rings don't dent, scratch or loset heir shine very easily. A tungsten carbide ring with cobalt in it will, however, so if you've bought a tungsten carbide ring that's lost its shine, even after a thorough cleaning, chances are there's cobalt in it.

Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
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Molybdenum News & Molybdenum Price: http://news.molybdenum.com.cn

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