The time-honored process involves placing some valve lapping compound on the valve, seating the valve into the valve seat, and spinning a wooden stick in between the palms of your hands as quickly ...

Conventional abrasives for lapping and polishing are available from Advanced Abrasives such as alumina, boron carbide, cerium oxide and silicon carbide in the form of powders, suspensions, slurries ...

Boron carbide powders and compounds are available in multiple abrasive grit size choices from F10/30 to F1500 and are suitable for the precision lapping and polishing of many engineering materials.