99.8% HIGH PURITY ALUMINA CERAMIC ROD 6.875″ L. x 0.1575″ (4.00 mm) D. No. 267
3 ) which of course is Alumina. Generally the balance of composition for this purity Alumina material is of Silicon Dioxide (SiO. The are 6.875″ long to provide kerf for cutting to shorter lengths. You are able to get two full 3″ Long Pieces or three full 2″ long pieces from this rod.