Model: U shape Molybdenum Disilicide Heating element Features: 1. used in the high temperature under oxidizing atmosphere, 2. It will form the SiO2 film which can keep the element from being melted.3. It has unique effect for resisting oxidization in the high temperature.4. "U", "W" and "U-right angle” shapes heating elements are available. Descriptions Material Grade: M1700/M1800d: Hot Zone Diameterc: Cold Zone DiameterLe: Hot Zone LengthLu: Cold Zone Lengtha: Shank SpacingOrder Sample U Shape, Material Grade: M1700,d-4mm, c-9mm, Le-450mm, Lu-450mm, a-25mm Specify As: KJ-MoSi2-U, 4/9×450×450×25 Specification1700°C Grade1800°C Graded/c (mm)3/64/96/129/1812/243/64/96/129/1812/24Le Max,mm350450140014001700350450140014001700Lu Max,mm300450100010001000300450100010001000a (mm)252540/506080252540/506080f (mm)2525457510025254575100g (mm)15152530401515253040Nonstandard shape & size could be made according to your requirement. Package: Plastic paper inside, Polyfoam filled, Wooden box outside. Payment: T/T, West union, etc. Shipping and Delivery: by air/sea, in7-10 days after receiving the payment.