1.Silicon carbide heating elements are made from quality green SiC powder, which added to some additivies according to the materials proportion. Silicon carbide heating elements are non-metallic products. Compared with metallic heating elements, they have a series of characteristics, such as higher temperature, antioxidation, anticorrosion, increase temperature fast, low coefficient of thermal expansion and so on. Therefore, they are widely used in electronic and magnetic material, ceramics, metallurgy industry and so on.
2. The sic heating elements have many types: SWD-Type,SW-Type,U-Type,W-Type,H-Type,SG-Type,SGR-Type,ST-Type
3.Notes for using and installing the heater:
1) Heater should be protected against damp during storing or installing to ensure the performance of the heater.
2) In order to be sure of well-distributed load of each and group heaters should be divided before assembling. The tolerance of the resistance of each one can not exceed by 10% each other.
3) Heater is hard and brittle, please be careful when installing and repairing to avoid damage.
4) When operating the electric furnace at the beginning, the voltage should be increased slowly and can not be fully loaded at once. Otherwise the larger current will be resulted in the damage of heater.
5) When heater is damaged and need to be changed , the resistance of new ne should follow the increasing resistance. If many are damaged or resistance increased too much, all heater should be changed.
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