| Capacity | 20 L |
| Maximum Temperature | 1100 °C |
| Heating Program | 50 steps |
| Thermal Rate | 3 °C to 20 °C |
| Heating element | Fe-Cr-Al |
| Program Memories | 50 steps |
| Thermocouple Type | K type |
| Door Insulation Material | Ceramic Fiber Board |
| Housing Material | Steel Sheet |
| Housing Coating | Epoxy powder coating |
| Element Heating Protection | Heating element protection by resistance wire |
| Lockable Door Handle | Sidewards |
| Temperature Control Accuracy | ± 1 °C (can vary at low temperatures) |
| Measurement Accuracy | ±1°C |
| Inner Volume Temperature Homogeneity | ± 10 °C |
| Power Supply | 21 A |
| Power Consumption | 5000 W |
| Inner Chamber Dimension (W × H × D) | 250 × 200 × 395 mm |
| Product Outer Dimension (W × H × D) | 670 × 900 × 830 mm |
| Gross Dimension (W × H × D) | 606 × 950 × 728 mm |
| Net Weight | 130 kg |
| Gross weight | 150 kg |
Dual shell housing
PID controller
Microprocessor-controlled system
LCD display
Standard chimney
Dual shell housing
Muffle Furnace LMF-B40 is used for high-temperature lab processes such as fusing glass, creating enamel coatings, ceramics, soldering, brazing, and polymer treatments. It is also suitable for metallurgical testing, and sample analysis in research centers and medical laboratories.
| Sr. No. | Accessory |
| 1 | High Temperature Gloves |
| 2 | Tongs |
| 3 | Alumina Crucibles |
| 4 | Metal Crucibles |
| 5 | Alumina Combustion Boats |
| 6 | Ceramic pipes |
| 7 | Extra Thermocouples |
Over Temperature Limiter
Lift-up Door
Stainless Steel body
Gas Supply Connection
Open Door Sensor
Second Thermocouple
Observation Hole
PC Connection
110 V Power Supply
Inner Module: Changing inner module renews your furnace close to a brand new furnace
Door Insulation: With sheet metal holder vessel
Control Card: Easy-to-replace, pre-programmed
Power Card: Easy-to-replace
Display: 4 x 20 LCD display
Cooling Fan: 80 x 80 x 20 / 220 V fan
Chimney Fan: 40 x 40 x 10 / 5V fan
Download catalog for
Muffle Furnace LMF-B40 Catalog
Download manual for
Muffle Furnace LMF-B40 Manual
Labtron Muffle Furnace 1100℃ provide high temperature heating in controlled environment with capacity of 5 L to 100 L. They feature sealed chambers isolating heating elements from material, ensuring even temperature distribution and minimizing contamination. Their digital control system provides detailed analysis of data. They include ventilation options to manage heat and fumes effectively. Our Muffle Furnace is applicable for ceramics firing, ashing of samples and sintering of powder.








Labtron Equipment Ltd., Quatro House, Lyon Way, Camberley, Surrey GU16 7ER United Kingdom
Email: info@labtron.com Whatsapp: +44 73 4441 2688 Phone: +44 2080 043608