FS FG 6 EXP is a Polyalphaolefin (PAO), full synthetic product formulated for high-speed precision grinding. FS FG 6 EXP is a proven product for grinding carbide, high-speed steel, surgical stainless, PCD, tool steels, ceramic materials, M-2, M-4, and REX 76. The product is suitable for flute grinding, gear grinding, lapping, and honing operations.