In an iron Dampfbügelstation sensors are used on top of the actual heater, where it can lead to leaks. Then at some point run brownish drops out of the iron - to the laundry - not good. Steam irons are above 200 ° C! This high-temperature silicone sealant (designed for car engines, cylinder head etc.) I got it back wick, obviously a Polish product, much cheaper than our well-known brands ...