kinds of shape for the heater U,W,I,L,U-right highest temperature could ... degreesduring oxidizing atmosphere.* Dia. 3,4,6,7,9,10,12,18,24* Temp: 1000-1800 celsius degrees* Used ... specialize in producing and selling U type molybdenum disilicide, W type molybdenum disilicide,U type right angle Molybdenum disilicide ... disilicide,L type molybdenum disilicide heating elements. W type MoSi2 heating element