Industrial Grade Heating Mantle is used for heating / boiling solutions in round bottom asks. The Mantle has heating cords that are stitched in glass yarn knitted cloth. The Mantle acts as good electrical insulator, and dissipates the heat effectively. The Industrial Grade Heating Mantle has flask size ranging from 250 ml to 10 litres and has rating ranging from 120 W to 1.7 KW.