KDR/Resin Bond — designed for use with resin bonded wheels. Also useful for special applications where soft polishing and/or lapping is required. Characterized by it's friability, irregular, semi-blocky particle shape and rough indented particle surface.
NAT/Natural — when exceptional diamond formulas are required, we recommend our premium "NATURAL" diamond for it's unique characteristics — Hardness; a strong blocky well-shaped particle with various sharp, smooth edges. Crystalline structure; brilliant white in color with a carbon element in a cubic octahedral configuration and thermal properties allowing for an excellent insulator.
POLY/Polycrystalline — used where extreme polishing applications are required. Resembles carbonado.