Zirconium carbide (ZrC) is an extremely difficult refractory ceramic material. It is often processed by sintering. It's the looks of the grey metallic powder with cubic crystal structure. The colour adjustments to blue and black at bigger length from the resistor, and these darker crystals are considerably less pure. Nitrogen https://glass-line-pipe50471.bloggosite.com/41319770/the-best-side-of-titanium-carbide-structure