... -Main material: Molybdenum silicon powder - X, L,U, W, U right shape -Dia: ... 3/6,4/9,6/12,12/24mm U type Silicon molybdenum rod supplied by Yuhao Manufacturer U type Briefly ... to erect it horizontally, please choose a supportof high-temperature insulating materials. The cone-part of the element must extend ... low end of connector and the upside of the ceramic brick.The Dia.6 element can't be used of ...