References To silicon carbide heating elements exist through the early twentieth century whenever they ended up made by Acheson's Carborundum Co. in the U.S. and EKL in Berlin. Silicon carbide supplied improved working temperatures as opposed with metallic heaters. The earliest electrical application of SiC was like a surge defense https://glass-lined-carbon-steel48158.birderswiki.com/1530371/not_known_facts_about_mn2o3_compound_name