The fumes inside desulphurisation heat exchangers can reach over 200 degrees C and are highly corrosive so the coolant bars and the structure of the Heat Exchanger have to be protected.
In a chemical or pharmaceutical plant, the last thing you want is for leaking product to spray out onto your Engineers – a Health and Safety nightmare.
It’s not all recycled urine! Some drinking water used to be transported up to the International Space Station in tanks – and the tanks were lined with Holscot FEP bladders!