Ceramic elements, diameter Ø13-64mm, length max. 6000mm, temperature max. 500°C. Galvanic heaters, operating temperature max. 90°C, protection class IP55 or IP66. Band heaters, max 600°C with 4.5 W/cm², ceramic insulation. Suspended wire ceramic heaters, various shapes and dimensions, surface load 1-4 W/cm².