References To silicon carbide heating elements exist in the early 20th century if they were being produced by Acheson's Carborundum Co. inside the U.S. and EKL in Berlin. Silicon carbide supplied increased running temperatures in comparison with metallic heaters. Yet one more titanium compound of interest is titanium tetrachloride (TiCl4), https://cementtoglasslinedductile04714.mysticwiki.com/1564746/the_best_side_of_formula_aluminium_oxide