4.41″ L. x 0.373″ OD x 0.235″ ID HIGH PURITY SINGLE BORE ALUMINA TUBE No.:179
3 ) which of course is Alumina. Generally the balance of composition for this purity Alumina material is of Silicon Dioxide (SiO. These are sold “as is”. The are 4.410″ long to provide kerf for cutting to shorter lengths.