Tempsens instruments offers ceramic tubes for a wide range of applications, manufactured by ceram tec, germany. This company has developed the materials, pormulit, dimulit and rubalit, for ceramic tubes. These materials guarantee economical operation. It manufactures ceramic tubes with both ends open or with one end closed as is needed for pyrometer protection tubes. Various standard sizes are available from 0.5 mm to 300 mm in diameter. It has excellent stability under very high temperature, excellent chemical resistivity and corrosion resistant against most acids and alkalines.These are the essential and prominent properties of ceramic materials. Standard pyrometer tubes, insulating tubes, insulating rods - single, double and four holes for thermo elements, ceramic tubes for electric furnaces and roller hearth kilns are available in various diameter and length.