For more effective heating, the IBC Container Heaters Kuhlmann Electro-Heat A/S drum, bucket, and cylinder heaters prove to be more efficient than conventional band heaters. For effective warming and insulating drums, pails, gas cylinders, buckets and IBC container heaters, these IP40 protected Kuhlmann Electro Heat A/S drums are faster, easier ,use less energy and are is more affordable method for heating and maintaining of temperature of industrial materials. They contain silicone insulated spiral wound resistance element and teflon/poly jacket. Other features include needled polyester insulation, heating duration of approx. 48th; adjustable quick release buckles, 3 meter power cable and dual power circuits.
http://www.kuhlmann-electroheat.com/en/drum-heaters/ibc-container-heating/26/57.php