ZrB₂ is used as a high-performance ceramic in many applications including:
• Cutting tools in combination with SiC
• Corrosion protection for refractory metals
• Neutron absorbers in nuclear plants
• Crucibles
• Refractory applications in steel industry
 
Chromium diboride CrB₂
Applications for CrB₂ include:
• Hard facing alloys
• Thermal spraying powder
 
Lanthanum hexaboride LaB₆
Applications for LaB₆ include:
• Cathode material for scanning electron microscopes
• Modulation of infrared absorption in nanoscale form