Lab Heating Mantles

St Patrick's Day 2025

Heating mantles are essential tools for any laboratory, specifically designed for safely heating round bottom flasks. These devices provide even heat distribution, reducing the risk of hot spots that can cause breakage or inconsistent results.

Lab heating mantles come equipped with advanced temperature control, ensuring precise and uniform heating. Many models feature built-in thermoregulators, allowing for accurate temperature adjustments, which is crucial for sensitive experiments. They are typically constructed with durable, heat-resistant materials to ensure long-lasting performance.

The practical benefits of using a heating mantle include increased safety and reliability. Their design minimizes the exposure of open flames, significantly lowering the risk of accidents. Even heat distribution helps achieve consistent experimental outcomes, making them indispensable in research and industrial laboratories.

Our range includes various sizes and configurations to accommodate different flask volumes and shapes. From small-capacity mantles for minor tasks to large-scale models for extensive projects, there’s a heating mantle suitable for every need. Accessories such as support stands and clamps are also available, ensuring seamless integration into your lab setup.

Whether you're heating solutions for chemical reactions or distillations, a heating mantle for round-bottom flasks is a vital component for achieving precise and reproducible results.

In addition to heating mantles, Thomas Scientific also carries a variety of other heating equipment and clamp supports.

Lab Heating Mantles

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  • Heating Mantles

    Across International

    Across International heating and stirring mantles come standard with digital display for the most accurate control. The large display interface makes it easy to quickly and precisely adjust temperature and rotation speeds. The DigiM mantle is equipped with two sets of thermocouples for proper...

  • Type J Thermocouples

    Glas-Col stocks a variety of the most popular sizes in the three most popular calibrations J, K, and T. These sensors are manufactured to strict specifications using standard limits of error grade wire and 316L grade stainless steel for high corrosion resistance. PTFE Coated thermocouples should not...

  • HM Lower Hemispherical Heating Mantles

    Product Highlights Apply uniform heat to round-bottom flasks Excellent alternative to other heating methods like a bunsen burner Ideal for use with a basket ring stand Low Watt Density Specifications Fiberglass cloth outer shell Uniform, low-watt density knitted and braided heating element....

  • Electrothermal CMUT Multiple Volume Heating Mantles

    The CMUT Electromantle is a multiple volume CMU Electromantle, able to accommodate round bottom flasks of between 250ml to 1000ml capacity. Its key features are otherwise the same as for the CMU Controlled Electromantles. The CMUT Electromantle is used in wet chemistry to heat liquids in round...

  • CMU Controlled Electromantles™

    Electrothermal (Cole-Parmer)

    CMU Controlled Electromantles CMU metal-cased Electromantles are used in chemistry to heat liquids in round bottom flasks. They are ideal for busy laboratories with multiple users as they are very safe to use, the metal case being designed to remain "cool-to-the-touch" when in operation....

  • Heating/Insulating Tops

    This mantle helps prevent vapor condensation in the upper half of a flask during distillation of high-boiling materials. The tops are designed for use with Series M, TM, or STM mantles. They protect the flask, the solutions, and the laboratory from drafts, which would disturb the reflux ration...

  • Powrtrol Heating Mantle Controller

    Provides precise manual control of heating mantles, tapes, cords and other resistive loads Adjustable output range from 3-100% of rated voltage Mount on lattice work or bench top Model 5915A01 will accommodate non-conductive loads to 1200 watts; model 5915A05 to 2400 watts. Electrical...

  • Heating Mantles

    For flasks, resin kettles, etc. Constructed of aluminum exterior for extreme durability Form fitting for even heat distribution Internal operating temperature limit of 450°C. Usable with a splash guard or poncho shield for increased safety and life. Certified by Canadian Standards Association....

  • Minitrol Heating Mantle Controller

    Manually adjustable; has a percentage-timer design and no sensing element Regulates mantles, tapes and cords, as well as small furnaces, ovens, hot plates, dies and other applications requiring stepless control Can be used on any non-inductive loads to its rated capacity of 1,440 watts Proportions...

  • HM Metal-Housed Heating Mantles with Built-in Controllers

    BriskHeat HM Metal-Housed Heating Mantles are fiberglass insulated round bottom flask heaters for laboratory and pilot laboratory applications. They are used to heat a variety of round bottom shaped vessels, to either increase temperature or keep media at a constant process temperature. All heating...

  • United Scientific™ Analog Heating Mantles With Magnetic Stirrers

    This series of analog heating mantles includes a built-in stirrer function. Separate knobs control the temperature level up to 400° C and stirring speed up to 800 rpm. Case is constructed of durable stainless steel and aluminum materials. Knitted mantle is made from glass fiber yarn and designed...

  • HM Spherical Heating Mantles

    Product Highlights Opening holds 1, 2, or 3 neck flasks on ring stand Zipper fastens upper and lower halves together 120VAC model includes 3” (76mm) lead wire with NEMA L1-15R connector and a 4-foot (1.2m) power adaptor cord with NEMA 1-15 plug. 240VAC model includes...

  • Model TEM Stirmantles

    Heating Mantles/Stirrers in Self-Standing Metal Case Eliminates need for mantles with holes or very thin insulation that will accommodate separate stirring devices The optional EMC-4 StirControl II (Thomas number 5912M10) creates and synchronizes a rotating magnetic field within the StirMantle that...

  • Electromantle® EM Series Heating Mantles With Controller

    Unique Electrothermal replaceable heating element/cartridge Heating mantle and controller in one unit Polypropylene housing The EM Series Electromantle incorporates the proven electrothermal coiled, flexible heating element in special insulation and features a “power on” indicator light....

  • CMU Uncontrolled Electromantles™

    Electrothermal (Cole-Parmer)

    CMU Uncontrolled Electromantles CMU heating mantles are used in wet chemistry to heat liquids in round bottom flasks. The metal case is designed to remain "cool-to-the-touch" when in operation. Electrothermal heating mantles have a grounded stainless steel earth screen covering the element...

  • Mantle Bottom Type CSA 12000ml

    The Series O spherical flask mantle covers only the flask's bottom half, letting you see its full contents. Fabric exterior provides effective heating in a space saving configuration Fabric interior to softly nest glass vessels to reduce the chance of thermal shock and damage to glassware...

  • EMC-4 StirControl II Speed Controller for StirMantles

    For use with Thomas 5912L10 series Synchronizes the rotation of the magnetic fields with its solid-state electronic controls Fine control of stirring speed; there is almost no variation; no speed increase in warming or slowdown in cooling Can be reproducibly set to any given speed; range 50 rpm to...

  • Soxhlet Extraction Apparatus with Heating Mantle

    This unique set includes matched components to provide a convenient Soxhlet extraction workstation. The setup includes a heating mantle with stirrer, 250ml borosilicate glass boiling flask, 100ml borosilicate glass Soxhlet extractor, 300mm borosilicate glass Allihin condenser with glass connectors,...

  • Digitrol II Heating Mantle Controller

    Use with heating mantles, tapes, cords, small ovens and other resistive heating loads Digital dual output display for set point and process temperature indication Automatic tuning for accuracy with minimum overshoot Auto cold junction compensation and thermocouple break protection Model 5915A15 will...

  • Heaters

    Glas-Col

    Griffin beaker heaters Maximum internal temperature 450°C Resilient and pliable interior, which cradles fragile beakers Heat is concentrated at the bottom, so even small liquid volumes can be heated Glass cloth mantle conforms to shape of beaker for even application of heat Controller 5915A01 is...

  • Resin Fabric Mantles

    This mantle's even heat distribution prevents scorching of clear resinous materials. It's one-circuit heat input simplifies temperature control. Resin flask mantles, as well as most other Series O mantles, are available modified to accept vessel drains or other tubulations.

  • Electromantle® EMV and EMX Heating Mantles

    EMX Spill-proof Electromantles and EMV V-shaped Electromantles may accommodate 60° funnels, pear-shaped or round botom flasks. They have been designed to accept a large range of flasks and funnel sizes for added flexibility. The stainless steel screen on all EMV models covers the heater element...

  • HM Metal-Housed Heating Mantles

    BriskHeat HM Metal-Housed Heating Mantles are fiberglass insulated heaters for laboratory and pilot laboratory applications. They are used to heat a variety of round bottom shaped vessels, to either increase temperature or keep media at a constant process temperature. All heating mantles are...

  • United Scientific™ Digital Heating Mantles With Stirrers

    This series of digital heating mantles includes a built-in stirrer function. Separate knobs control the temperature level up to 400° C and stirring speed up to 800 rpm. The external probe allows the temperature of the contents of the flask to be directly measured. Case is constructed of durable...

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