I have come across this problem before and found that it can be solved in several ways. Urethane rubber is fairly slick and can often solve your problem. If that does not work, Teflon sheet - thin gauge - can be an answer.
I noticed that your address is in cincy. I have both urethane and...
I have put a bladder into a storage tank for this exact scenario. There are several things to consider which include but are not limited to:
What to fill the bladder with? This depends upon the product in the tank and what could be compatible with the liquid in the tank if it leaks.
Is there...
I am looking for a company to manufacture EPDM sponge material in an extrusion. Extrusion configuration would be approximately 12" wide x 1/2" thick tapered to 1/4" and as long as possible (50'?)
There are also designs that incorporate a hose skimmer system into the tank. I have seen several installations at GE Aircraft in Cincinnati, OH. They were manufactured by Mesa Rubber in Cin.