||0-4 micron, 8,000 mesh, 100cts. per bottle. Excellent for cabochon pre-polishing of softer materials. The finish is good enough for many applications and cutters still have the option to finish with even finer diamonds. Manufacturers should expirement to see which sizes work best.
Polishing - carbide/diamond wire drawing dies, precious/semi precious gemstones, metallographic specimens, and, optical lenses.
Lapping - ceramic/carbide valve seats, wear parts, and glass components.