Thermally Stable Polycrystalline Diamond(TSP) can be manufactured into a variety of sizes and shapes (Cubes, Cylinders,Discs, Rectangles, Triangles, Spheres etc.). It can be inserted into cutting tools, drilling bits, reamers, wire drawing dies, and other wear-resistant components. Drill bits and reaming shells made with TSP diamonds are suitable for drilling in soft rocks with hardness below 7 degrees, such as lime rock, marble, shale, etc, and in medium to hard rocks with coarse grains. It is achieved in an environment of high temperature and super-high pressure and thermally stable up to 1,200°C for its insert binder (mainly Si). Its Sic has a similar coefficient of thermal expansion to that of diamond and enjoys very good wear-resistance.
