220V 3P 9KW Electric PTFE teflon Immersion Heater for chemical tank For Aggressive Chemicals In High-Temperature Processes PFA heaters are designed specifically for use as direct electric heaters in plants and tanks where space is at a premium and high heating capacities and excellent resistance to aggressive process liquids are required. The very good chemical resistance of the heating cable is achieved by the use of a special sheath made of FEP or PFA. The surface power