A muffle is a laboratory furnace used for calcination, melting and other heat treatment that requires high temperatures. They are constructed with a porcelain or cast metal chamber that is insulated from the rest of the furnace by a glass insulation lining. The chamber is equipped with an airtight closing door that is opened and closed by means of a crank. The insulation lining forms a sealed chamber around the oven chamber, allowing the oven to heat quickly and be kept at a constant temperature.
The muffles are heated by the use of electrical resistors or by induction. They are used in a wide variety of applications, such as powder sintering, sample calcination, metal melting and ceramic making.
In this sense, we at Kalstein have the ideal muffle for any laboratory, thanks to its good performance, fidelity and precision, they can enforce the various study practices. They feature automatic PID control through the phase angle current limiter triggered resistance, e.g. SC R (silicon controlled rectifier) and power system with 30 programmable segments.
Maintenance of the Muffle
To keep a muffle in good condition, it is important to check the insulation lining periodically. If the insulation lining is damaged, it must be replaced. If the damage is very severe, the oven may need to be replaced.
The furnaces are constructed of stainless steel and are kept at a stable temperature by using a temperature regulator. Most oven models also have a vacuum valve that is used to draw air out of the oven’s interior to maintain an inert atmosphere.
They are used in a wide variety of applications, including glass making, ceramic curing and metal heat treatment. The maintenance of Mufflas ovens is very important to ensure their proper functioning. The following are some of the care you should be taking:
- – The condition of the gaskets and seals should be checked periodically as they may deteriorate over time.
- – It is important to clean the inside of the oven regularly, as debris and dirt can accumulate.
- – The temperature regulators should be checked and adjusted if necessary.
- – Vacuum valves should be checked regularly to make sure they are working properly.
- – If this care is followed, the muffles can be kept in good condition and will surely provide a good service for many years.
Recommendations for the use of the Muffle
Most laboratories use a muffle to heat materials, this is because the muffle keeps the heat constant, which is ideal for precision work. However, some laboratories do not use it because it is not at the right temperature. This can be dangerous and even cause damage to materials. Here are some recommendations for using a muffle in the laboratory:
Here are some general guidelines for using a muffle oven:
- – Make sure the oven is properly ventilated.
- – Wear appropriate protective clothing, including gloves, aprons, and goggles.
- – Preheat the oven to the desired temperature before placing any material inside.
- – Place the material to be heated in the center of the muffle, on the provided wire rack.
- – Close the oven door and set the timer for the desired heating time.
- – Once the timer expires, carefully open the oven door, using the gloves provided, and remove the heated material.
- – Allow the oven to cool completely before cleaning or servicing.
Mufflas brand Kalstein
Currently, in the market there are several brands of Mufflas, but at Kalstein we have for our users the best laboratory equipment that any customer wants, they belong to the YR series, and uses a double layer carbon steel housing and a PID control of 30 segments. The furnace consists of a high purity alumina polycrystalline fiber brick and a high quality heating element. To learn more about our products, visit our catalog HERE We are manufacturers of the best electronic equipment and we have the best advice to make your purchase the most appropriate and at excellent prices. Visit HERE
