Laboratory furnaces and ovens.

Hobersal is a leader in the manufacture and export of muffle and tubular furnaces for laboratories worldwide. Our range offers temperatures from 1000ºC to 1900ºC, guaranteeing precise results in various research processes.

Manufactured with high-resistance materials and subjected to rigorous quality controls, our furnaces and ovens ensure optimal performance and durability. Innovation and technology are at the core of our brand, continually working on advanced solutions to meet the demands of the industry.


CRN Series

Muffle furnace up to 1900ºC, floor standing, large series 

XG Series

Muffle furnace, vertical side door up to 1900ºC, (MoSi2), table top

JM Series

Muffle furnace up to 1600ºC, vertical lift door (SiC) table top

HOB Series

Bottom loading furnace up to 1900ºC, vacuum, air and modified atmosphere 

MF Series

Muffle furnace up to 1400ºC, vertical lift door, 4 heated sides

Vacuum furnace PR-V 

Retort furnace under vacuum and modified atmosphere up to 1150ºC

JMM Series

Muffle furnace up to 1600ºC, side door (Economy Series)


Muffle furnace with balance for thermogravimetry tests

HTF Series 

Tube furnaces up to 1600ºC, vertical or horizontal operations and universal or split 

PR Series

Muffle furnace up to 1400ºC, pantograph side door, 4 heated sides, sturdy

ST Series 

Universal tube furnaces up to 1300ºC

GB Series – New

Muffle furnace up to 1200ºC, economical series, side door

Laboratory and industrial ovens 

Laboratory and industrials ovens up to 300ºC and 500ºC

HD Series (Economic Series)

Muffle furnace up to 1200ºC, folding or side door


Tilting Crucible furnaces up to 1400ºC

ST16, ST18 and ST19

High temperature tube furnaces up to 1900ºC

ST Series (Spit tube furnaces)

Horizontal and split tube furnaces up to 1300ºC

HTF Series

Split or universal tube furnaces to work under modified atmosphere or vacuum, great uniformity, different tube diameters and heating zones up to 1600ºC (Horizontal or Vertical Operation)

XB Series (Economy Series)

Muffle furnace up to 1260 side door

CRN Side control

High temperature table top furnace up to 1900ºC 

HK Series (Economical Series)

Muffle furnace up to 1000ºC, folding door

JB Series (Economical Series)

Muffle furnace up to 1100ºC, side door

TR vertical tube furnaces

Vertical and split tube furnaces up to 1300ºC

ST Series (Open Vertical)

High temperature tube furnaces up to 1900ºC – Vertical operation

Laboratory furnaces and ovens are essential tools for various processes across different scientific and industrial fields. Here are some common processes you can perform using a laboratory furnace or oven:

Processes Using HOBERSAL Laboratory Furnaces

  1. Annealing:
    • Purpose: To reduce hardness, relieve internal stresses, and improve ductility and toughness.
    • Application: Metals, glass, and polymers.
  2. Calcination:
    • Purpose: To induce thermal decomposition, phase transition, or removal of a volatile fraction.
    • Application: Minerals and other solid materials.
  3. Ashing:
    • Purpose: To remove organic material by heating samples to high temperatures in the presence of air or oxygen.
    • Application: Determination of inorganic content in materials.
  4. Sintering:
    • Purpose: To compact and form solid materials by heat without melting to the point of liquefaction.
    • Application: Ceramics, metals, and plastics.
  5. Heat Treatment:
    • Purpose: To alter the physical and sometimes chemical properties of a material.
    • Application: Metals and alloys.
  6. Crucible Melting:
    • Purpose: To melt small amounts of metal or glass.
    • Application: Small-scale metal casting, alloy creation, and glass working.

Processes Using HOBERSAL Laboratory Ovens

  1. Drying:
    • Purpose: To remove moisture from samples.
    • Application: Biological samples, chemicals, and materials.
  2. Curing:
    • Purpose: To harden or set materials by heating.
    • Application: Polymers, adhesives, and coatings.
  3. Baking:
    • Purpose: To heat materials at moderate temperatures for prolonged periods.
    • Application: Soil samples, ceramics, and food science.
  4. Sterilization:
    • Purpose: To destroy microorganisms through high-temperature heating.
    • Application: Laboratory instruments, glassware, and certain media.
  5. Aging and Conditioning:
    • Purpose: To simulate environmental conditions over a short period to study long-term effects.
    • Application: Polymers, composites, and metals.
  6. Evaporation:
    • Purpose: To remove solvents from solutions, often to concentrate samples.
    • Application: Chemical samples, pharmaceuticals, and biological samples.

Specialized Processes

  1. Vacuum Heating:
    • Purpose: To heat materials under reduced pressure to avoid oxidation or contamination.
    • Application: Semiconductor manufacturing, metals, and specialized materials.
  2. Controlled Atmosphere Processing:
    • Purpose: To heat materials in a specific gas atmosphere (e.g., nitrogen, argon).
    • Application: Metallurgy, materials science, and chemical synthesis.
  3. Thermal Cycling:
    • Purpose: To repeatedly heat and cool materials to study their durability and performance.
    • Application: Electronics, composites, and metals.

Safety and Operational Considerations

  • Temperature Control: Precise control is crucial for reproducibility and safety.
  • Atmosphere Control: Some processes require specific atmospheric conditions to prevent oxidation or contamination.
  • Sample Handling: Use appropriate containers and tools to handle samples at high temperatures.
  • Safety Protocols: Ensure proper ventilation, use of personal protective equipment (PPE), and adherence to safety guidelines to prevent accidents.

Laboratory furnaces and ovens provide a wide range of capabilities for processing materials under controlled conditions, making them indispensable tools in research and industry.