1.Electrical strength: the influencing factors of electrical strength of electric heating tube mainly include the thickness of insulating layer, the quality of raw materials of insulating layer, the length of electric heating tube, the radius of bending and the number of bending. Deshengtai can generally achieve 2000V, 1s and breakdown current of 0.5mA in the cold withstand voltage of electric heating tube.
2. Insulation: the main factor affecting the insulation of electric heating pipe is the sealing process of electric heating pipe. Generally more than 1000 megohm.
3. Leakage current: it is mainly related to the temperature of the electric heating pipe, the service voltage of the electric heating pipe, the heating length of the electric heating pipe, etc. It is an important assessment index for high temperature electric heating tube.
4. Power accuracy: mainly related to the quality of resistance wire and the process level of the manufacturer. Deshengtai needs to conduct temperature coefficient test before mass production to determine the cold resistance of qualified power range.
5. Service life: the service life of electric heating tube is not only related to the quality of resistance wire, but also related to the quality of magnesia powder, the selection of resistance wire diameter and other factors. For high-temperature electric heating tubes, deshengtai electric thermal energy manufactures electric heating tubes with surface load below 8W / cm2. When selecting the diameter of the resistance wire, it is necessary to calculate the surface load of the resistance wire to meet the service life requirements.
6. Corrosion resistance: it is a common problem encountered by water heating electric heating pipe and barbecue electric heating pipe. In addition to the reasonable selection of materials, it is also related to the heat treatment of the electric heating tube and the surface state of the electric heating tube
