... high strength and good thermal stabilityApplicable to high quality diamond saw blade,geological drill,grinding tools.30/40-50/ ... toughness index valuesApplicable to metal bond grinding wheel,high quality cutting tools and geological drill.20/30-50/60EXD980Regular ... ,high transparency,purity and strendthApplicable to saw slice,wire saw beads and circular saw segment20/30-60/70EXD970Regular crystal,high ...