Tungsten carbide (WC) particles are taken up by the body, they can be detected in the blood and are excreted via the urine.

 

For hard metal particles investigations on micro-sized particles have been conducted for comparison. According to investigations conducted up to now, the assumption of differing modes of actions of nanoparticles compared to micro-sized material due to their small size has not been confirmed. WC particles are chemical inert and not toxic, however, precautionary occupational exposure should be minimised and suitable protection clothes should be used.

 

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