... 2. Diameter, 3/6 - 12/24mm. Model: U shape Molybdenum Disilicide Heating elementFeatures:1. used in the high temperature under oxidizing ... oxidization in the high temperature.4. "U", "W" and "U-right angle” shapes heating elements are available.DescriptionsMaterial Grade: M1700/M1800d: ... Order SampleU Shape, Material Grade: M1700,d-4mm, c-9mm, Le-450mm, Lu-450mm, a-25mmSpecify As: KJ-MoSi2-U, 4 ...