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Heating Mantle 250ml
Heating Mantle 250ml (Product Code: SLE/LHM/07) is a compact, controlled heating mantle for flasks of 250 ml, built around a woven glass fibre mat with a nichrome wire element inside a coated steel case. It gives students and technicians a flame-free way to warm, boil or reflux small volumes on an ordinary bench, which makes it a practical piece of school chemistry lab equipment in India for practical classes and small preparative work. The unit is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala.
Specifications
| Parameter | Detail |
|---|---|
| Flask capacity | 250 ml |
| Type | Controlled heating mantle |
| Case construction | Steel, with chemical resistant coating |
| Mantle | Woven glass fibre mat |
| Heating element | Nichrome wire |
| Insulation | Moulded silica powder |
| Element temperature | Up to 450 °C (max.) |
| Power supply | 220 V AC, 80 W |
Typical Use
A 250 ml mantle is the size most student groups need for short experiments: preparing a small ester under reflux, distilling a few tens of millilitres of a mixture, determining a boiling point range or dissolving a solid in hot solvent before recrystallisation. The glass fibre mat wraps heat around the lower part of the flask, so small volumes heat evenly and there is less risk of a hot spot cracking the glass than with a gauze and burner. Its modest 80 W rating also means several units can run side by side on one bench.
Seat the flask fully in the mantle, support the neck with a clamp, and bring the control up gradually while watching for steady boiling. The coated case resists occasional splashes, but spills should be wiped off promptly once the unit is switched off and cool; never pour liquid directly into the mantle. As a laboratory equipment supplier in India, we can advise on matching glassware so every student station is complete.
Manufacturer
ScienceLab is the trading name of Jain Scientific Equipments Private Limited, whose manufacturing and dispatch operations are based in Ambala, Haryana. We make and supply laboratory heating equipment for schools, colleges and research laboratories, and we welcome questions on sizes, controls and quantities before you order. Learn about our background on the company profile page.
Related Laboratory Equipment
Pair the 250 ml mantle with these items for a complete small-scale heating or distillation station:
- Round Bottom Flask 250 ml — the matching flask size for this mantle.
- Straight Coolant (Condenser) — for reflux or simple distillation above the flask.
- Thermometer Clamp — holds a thermometer at the still head when recording boiling temperatures.
- Digital Heating Mantles — an alternative with digital control for more repeatable settings.
- Heating Mantle 1000ml — the larger model for litre-scale batches.
See all models in the Heating Mantle category.
Frequently Asked Questions
What is the heating element made of?
The element is nichrome wire set in a woven glass fibre mat, insulated with moulded silica powder and housed in a steel case with a chemical resistant coating.
What temperature can the element reach?
The element temperature goes up to 450 °C maximum. The liquid in the flask will be cooler than the element, depending on the control setting and the volume being heated.
How much power does it use?
It is rated at 80 W on a 220 V AC supply, low enough to run several units on a shared bench circuit. For other supply voltages, please ask us before ordering.
Can I use a smaller or larger flask in it?
It is sized for 250 ml flasks. Using a flask that does not match the well leaves gaps or overloads the mat, so pick the mantle that matches your flask size.
How should I clean it?
Switch off, unplug and let it cool, then wipe the coated case with a damp cloth. Keep liquids out of the glass fibre mat; if a flask breaks inside, stop using the mantle and contact us for advice.
Is a calibration certificate available?
Calibration certificate availability should be discussed with our team when you send your enquiry.
Do you supply sets for a whole class or for export?
Yes, we quote for multiple units for institutions across India and international markets; tell us the number of student stations and any glassware you want included.
Request a Quote
For prices and delivery on the Heating Mantle 250ml, write to us via the contact page or add it to our enquiry cart with any matching flasks and condensers.
Last updated: 24 September 2026
