Originally Posted by 1972CudaV21
Originally Posted by ek3
This is as good as it gets.... it is so hard it want stick to itself after 24 hrs dry time . it is an awesome rust controlling product. i am speaking from hands on use...... 1 time and forget it. https://gulfcoastpaint.com/product/mcu-100-primer-finish-moisture-cured-urethane-aluminum-coating/


Sells for about $90.00 a gallon.
yep.. 22.50 per ot.. cheaper than por and 5,000 times better . 1 coat 1 time and its awesome for this purpose