Heating Mantles Are Available In Standard Construction From 50ml To 200 Liters. These Mantels Are Used For Non Hazordous Safe Areas. Mantels Are Designed To Cover Flasks At The Equator And To Heatthe Flask Uniformly. These Can Be Used To Heat Liquids Upto 300o C . Heating Elements Are Perfectly Insulated By Glass Sleeving & Ceramic Beads.