... , Weld positionersSilicon Carbide(SSiC)Key Properties1, Low density2, High strength3, Low thermal expansion4, High thermal conductivity5, High ... Uses1, Precision ball valve balls and seats2, High density ball and pebble mill grinding media3, Rollers and ... in oxidizing atmospheresSilicon Carbide(Al2O3)Key Properties1, Low density2, High strength3, Low thermal expansion4, High thermal conductivity5, High ...