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Scientific Review of Cobalt-Tungsten Carbide Powders and Hard Metals

Status: Listed in the Report on Carcinogens (RoC)

Primary Uses or Exposures: Hard-metals are manufactured by a process of powder metallurgy from tungsten and carbon (tungsten carbide), and small amounts of other metallic compounds using cobalt as a binder. Hard metals are used to make cutting and grinding tools, dies, and wear products for a broad spectrum of industries including oil and gas drilling, and mining.

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