... blank is manufactured by world famous companies such as Element Six (DeBeers), DI (GE), ILJIN, SMITH, SUMITOMO and TOMEI ... coefficient of PCD is 0.9×10-6 to 1.18×10-6, which is only one fifth that of ... size (μm)PCD layer thickness (mm)Element Six (E6)CTB00274x1.6/2.0/3.182μm0.3/0.5/ ... 0.7CTB01074x1.6/2.0/3.1810μm0.3/0.5/0 ... .7/1.0CTH02574x1.6/2.0/3.1825μm0.5CTM30274x1.6/2.0/3.1830μm+2 ...