If it is a demin tank would the concentration of the SH should be much lower? You are probably initially mixing 12-15% SH along with 98% sulfuric acid to demineralized the water irregardless your biggest problem is that you final product demin water is very aggressive towards many types of...
There are a few options you may want to consider. Because of the operating temperature range of 90 to 100°C you are limited to a coating that can withstand high immersion temperature you can choose a stoved phenolic ( this will require the component to be brought to a autoclave to bake-on the...
