Infrared Heating Technologies’ implements ROB metallic heating elements for high temperature industrial batch furnaces.
The ROB element is a metallic Nickel/chrome and iron/chrome/aluminum used in conjunction with high density ceramic insulation with a temperature range of 200° F to 2450° F (93° C to 1350° C). Click on the following link for a description of ROB metallic heating elements: http://www.asbheat.com/01_html/products/02_tubular_heaters_01.shtml
Examples of ROB element configurations:
High Temperature ROB Element Industrial Batch Furnace