是采用與其它PCD產品相同的超高壓－高溫技術制造的聚晶產品，由于它所用結合劑在高溫時不與金剛石反應且其熱脹系數(shù)與金剛石接近，其耐高溫高達攝系1200度，SFTSP主要用于制造地質鉆頭及石油鉆頭等 Henan jingxin Diamond Abrasive CO.LTD supply Polycrystalline diamond (PCD) is diamond powder polycrystalline products produced by sintering together selected synthetic diamond with a metal matrix using very sophisticated high-temperature and high-pressure technology. Polycrystalline diamond (PCD) widely used in natural diamond bruting,geological drill bits,oil well drill bits and other PCD dressing tools.