Heating Mantle 250ml
Product Code : EL-HM-10678
Quick answer: The 250 ml heating mantle is an electric flask heater shaped to cradle a 250 ml round bottom flask, used for reflux, distillation and other controlled heating of liquids without an open flame. A nichrome wire element woven into a glass fibre mat reaches up to 450 °C, moulded silica insulation holds the heat, and it runs on 220 V AC at 80 W. Lab Exports manufactures it in Delhi for laboratories.
Specifications
| Component | Specification |
|---|---|
| Type | Controlled heating mantle |
| Flask capacity | 250 ml |
| Case | Steel, with chemical-resistant coating |
| Mantle | Woven glass fibre mat |
| Heating element | Nichrome wire |
| Element temperature | Up to 450 °C (max) |
| Insulation | Moulded silica powder |
| Power supply | 220 V AC, 80 W |
How the heating mantle is used
A round bottom flask touches a hot plate at only one point, and a flame heats it unevenly and is unsafe with flammable solvents. A heating mantle wraps the lower half of the flask in a bowl-shaped glass fibre mat with the heating wire woven through it, so heat reaches a large area of glass evenly. This reduces local overheating and bumping, and there is no open flame near solvent vapour.
In this 250 ml model the nichrome element can reach 450 °C at the element; the liquid in the flask stays well below that and is set by the controller and by the boiling point of the contents. The moulded silica powder insulation behind the mat keeps heat directed into the flask, and the coated steel case resists spills of common laboratory chemicals.
- Place the mantle on a firm bench and clamp a 250 ml round bottom flask so it sits snugly in the mat.
- Add the liquid and anti-bumping granules, and fit the condenser or distillation head.
- Connect the mantle to a 220 V AC supply.
- Set the controller low and increase gradually until the liquid boils or refluxes steadily.
- Switch off and let the flask and mantle cool before removing the flask.
Key features
- Shaped for 250 ml round bottom flasks.
- Woven glass fibre mat spreads heat evenly over the flask.
- Nichrome wire element rated up to 450 °C.
- Moulded silica powder insulation for efficient heat retention.
- Steel case with chemical-resistant coating.
- Low 80 W consumption on 220 V AC.
Documentation and supply
Installation instructions and a manual are supplied with the heating mantle. Most Lab Exports products carry a one-year manufacturer warranty.
Lab Exports manufactures the 250 ml heating mantle at its works in Laxmi Nagar, Delhi, and supplies it to school, college, research and industrial laboratories in India and 60+ countries, handling the export documents for each shipment. More about the company is on the About Lab Exports page.
Related Heating Mantle products
- Heating Mantle 1000ml (EL-HM-10679)
- Multi Position Heating Mantle (EL-HM-10680)
- Heating Mantle with Stirrer (Rota Mantle) (EL-HM-10681)
- Digital Heating Mantles (EL-HM-10682)
- Heating Mantle (EL-HM-10683)
- Digital Heating Mantle with Stirrer (EL-HM-10684)
The full range is in the Heating Mantle section of the Laboratory Equipment range.
Frequently asked questions
What is the maximum temperature of the 250 ml heating mantle?
The nichrome element reaches up to 450 °C; the flask contents are held at the temperature set on the controller.
What power does it need?
220 V AC; the mantle is rated at 80 W.
What is the price of the 250 ml heating mantle?
Prices are not published on the website. Add the 250 ml heating mantle to the Enquiry Cart with the Add To Cart button on this page, or email [email protected] with the house code EL-HM-10678 and the quantity, to receive a quotation.
Does Lab Exports manufacture the 250 ml heating mantle?
Yes. Lab Exports manufactures the 250 ml heating mantle at its works at 11/315, Lalita Park, Laxmi Nagar, Delhi 110092, under house code EL-HM-10678.
Request a quote
Email [email protected] with the house code EL-HM-10678 and the quantity, or add the 250 ml heating mantle to the Enquiry Cart with the Add To Cart button on this page. Tender buyers can also see the Tenders and OEM page.
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