3M Cubitron Ceramic Grain
Abrasive Grain is a ceramic aluminium oxide mineral designed by 3M using a patented sol gel process to enhance fracture toughness and hardness of the grain


Cubitron 321
3M Cubitron Grain 321 has a complex, polycrystalline microstructure composed of crystallites of alpha alumina, magnesium alumina spinel and a rare earth hexagonal aluminate.

Grit Available
Cubitron 321 F16-220

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