是采用与其它PCD产品相同的超高压－高温技术制造的聚晶产品，由于它所用结合剂在高温时不与金刚石反应且其热胀系数与金刚石接近，其耐高温高达摄系1200度，SFTSP主要用于制造地质钻头及石油钻头等 Henan Zhecheng 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