... expansion4, High thermal conductivity5, High hardness6, High elastic modulus7, Excellent thermal shock resistance8, Superior chemical inertnessTypical ... pebble mill grinding media3, Rollers and guides for metal tuble forming4, Thread and wire guides5, ... expansion4, High thermal conductivity5, High hardness6, High elastic modulus7, Excellent thermal shock resistance8, Superior chemical inertnessTypical ...