Most suitable for Labs, Pharmaceuticals, Chemicals Glass Plants Etc. Useful for heating inflammable liquids electric heating net is hard Knitted from glass yarn (without any joint) and for durability andstands temp. Up to 350° C body of mantle is spun one piece from non rusting Alum (duly stove 1powder coated) mantles are logged with special grade mineral wool. Most suitable to work on 230 V A.C. supply.