Manufactured out of stainless steel tubing, alkaline immersion heaters are used for alkaline clearing solutions, citrus juices and very mild acid baths not corrosive to stainless steel sheath.
Lead covered immersion heater are recommended for nickel and copper plating bath, or chrome plating baths and sulphuric acid solution having not more then 10% concentration. Not recommend for any other acid.
Titanium sheath immersion heaters are generally used for plating baths such as nickel, chrome, gold and silver plating. These can also be used for ferric and iron chloride solutions, bright dips and pickles containing nitric, phosphoric and chromic acids, nitrates, nitrites permanganates persulphates and dichromates