... (Mohs)9.5 Application of Nano Sic Whikser as Ceramic Tools Intensifier:1. Composite in space ... Protective armor in tank and armored car5. Ceramic series: ceramic cutting tool, special purpose structural ceramics, engineering ... bulletproof ceramics, piezoelectric ceramics, ceramic seals, thermocouple device, ceramic bearing, heat-resistant ceramic, ceramic grassroots, high-frequency ceramics, textile ...