
I use them to heat 50 gallon buckets of coconut oil (soap making) and they work great. It's a little tricky to get the strap tight enough around the bucket, but even with a little slack, it's enough to heat the coconut oil to a liquid state.

White Gamma Seal Lid Pack
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

ποΈ SSI Technologies DFT 220 Ultrasonic Digital Sensor
4 Review