Tube Furnaces

Known for excellent temperature uniformity, tube furnace is ideal for heating small samples. Customizations to suit specific needs are available, including advanced digital controllers, programmers, loggers, insulation plugs, and radiation shields.

Models with an integrated work tube or without one offer flexibility. The latter allows for work tubes of various diameters and materials (quartz, ceramic or metal) to be used. When equipped with a correctly sized work tube, standard models can easily be upgraded for controlled atmosphere or vacuum use.

TUBE FURNACE DETAILS

Tubular furnaces are used for a variety of tasks like purifying, coating, drying, hardening, or ageing samples. They can also do things like annealing, brazing, calcination, degassing, sintering, soldering, sublimation, synthesis, and tempering. In a lab, you might use a tubular furnace for calibrating thermocouples, testing fuel cells, or researching catalysts.

What you want to do will help you choose the right tubular furnace. We have a range from simple, affordable ones like the single zone tubular furnace, to more advanced ones like multi zone tubular furnace. The multi zone tubular furnace can control temperature in eight different areas independently, which is great for tasks like chemical vapour deposition.

TUBE FURNACES – FAQ

WHAT IS A LABORATORY TUBE FURNACE?

A laboratory tubular furnace is a heating device designed for precise temperature control and uniformity. It contains a work tube or vessel where samples can be placed for heating. With heating elements optimally positioned around the work tube, it ensures an even temperature distribution. This equipment is common in many labs and is used for a variety of applications, such as material heat treatment and crystal growth.

WHAT IS THE MAIN BENEFIT OF A TUBE FURNACE INSTEAD OF A CHAMBER FURNACE?

A tubular furnace is superior to a chamber furnace for processing smaller samples due to its smaller volume capacity and faster heat-up rates. Sealed work tubes also protect the furnace from contaminants and allow for easier maintenance of a modified atmosphere around the samples.

WHAT TYPES OF TUBE FURNACE EXIST?

Tubular furnaces come in various configurations, including split, non-split, gradient, rotary, and oscillating. Split and non-split tubular furnaces can be positioned so that the work tube is in a vertical or horizontal orientation.

WHAT IS THE UNIFORM LENGTH IN A TUBULAR FURNACE?

The uniform length refers to the area within the tubular furnace where the temperature is most consistent. Insulation plugs and an increased number of heated zones can extend the uniform length in a tubular furnace. A typical temperature uniformity tolerance is ±5°C, quoted over a specified length of the work tube.