I use these to heat 50 gallon buckets of coconut oil (soap making) and they work great. It's a bit difficult to get the strap tight enough around the bucket, but even with some slack, it's enough to heat the coconut oil to a liquid state.
Temperature Controlled Insulated Material Handling Products: Pack with Confidence
9 Review
Terra Products Co White Pails
3 Review
Enhanced Performance with Knock Buttress Coarse Thread Gasket: The Ultimate Gasket for Industrial Applications
3 Review
π² Winco UP 13 Stainless Utility 13 Quart: The Ultimate Kitchen Essential for All Your Utility Needs
3 Review