themal stable polycrystalline diamond 1, stable quality 2, long life span 3, competitive price TSP, PCD. Themal stable polycrystalline diamond Description:1.different shape is available according to the different usage and requirement,such as Cubes, Cylinders, Discs, Rectangles etc.2.cutting elements or for wear protection on oil and gas drill bits or mining bits,also be used anywhere that high ...