The heat conduction of the cast aluminum heater is fast and the temperature resistance is not high. The price is more expensive than the other two
The thermal conductivity of ceramic heaters is generally cheaper than that of cast aluminum, and the insulation effect is better, and it is not afraid of leakage.
Stainless steel heaters are generally stainless steel heating tubes or mica coated stainless steel. The former has a higher heating temperature than the latter. Stainless steel heaters should be the cheapest of the three!
Now there is a kind of electromagnetic heater heating speed is faster, thermal inertia is small, and controllable precision is high. Can lower the ambient temperature!