This publication presents additional refractory-ceramic property data to supplement those published in the first edition of the Materials Selection Handbook, Is sued in October, 1963, as RTD-TDR-63-4102. The materials covered are nonmetallic inorganic crystalline materials with melting points above 273 deg F (150 deg C), including intermetallic compounds and excluding glass, carbon, and graphite. The data are from literature published in 1961 and 1962. This technical documentary report has been reviewed and is approved.