Micanite elements, surface load 3-4 W/cm², max. 350°C at very high heat transfer. Open spirales and tapes, supported wire and coil elements, heating alloys FeCrAl or NiCr, max. 1200-1400°C, ribbon width 0.50-30mm, wire diameter Ø0.06-Ø7.00mm. Braking resistors. Open wire-wound and ceramic enameled resistors.