NP-CCGW 21.52G Mitsubishi CBN Insert, 0.031 Radius Grade MB8025 Using a new CBN sintering technology called, "Particle-Activated Sintering Method", Mitsubishi Carbide can now substantially increase the bonding and adhesive strength of the CBN particles to the binder material. General purpose CBN grade, MB8025, uses this new technology to improve edge toughness.
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