... . Impa ct resistance:520J Our cutter is our most advanced PDC cutter at present. Developed in 2006 and has been made several important ... ,1308,1504,1508,1604,1608,1908The advantages of the new cutter is based on the improvement of the technology, which has ... avoid being contaminative during sintering. 6. Amended the sintering processing, and improved the bonding strength of the diamond-diamond key among ...