| Category | Muffle Furnace |
| Model | Box Kiln |
| Max Temperature | 1200°C (2192°F) |
| Working Temperature | 1100°C |
| Thermocouple Type | S (Platinum-10% Rhodium) |
| Thermocouple Details | Platinum sheath, 6mm diameter, Type S, Tolerance Class 2, 0 to +1450°C range, High purity alumina insulation |
| Heating Element | Kanthal A1 (FeCrAl) |
| Element Details | Max temp: 1425°C, Superior cyclic performance, FeCrAl alloy with rare earth elements |
| Chamber (MM) | 225 x 225 x 300 |
| Outer Body (MM) | 640.0 x 830.0 x 575.0 |
| Chamber Volume | 15.2 Litres |
| Volume (cu.ft) | 11 ft³ |
| Power Load | 8.87 kW |
| Power Supply | 220V, Single Phase |
| Gross Weight | 91.53 kg |
| Chamber Shape | Square |
This kiln features a box-shaped design, providing a straightforward and efficient chamber for firing ceramics, glass, or enamel. Operating temperatures can reach 900°C or higher, suitable for bisque and glaze firings. The working principle is similar to a box furnace, with heating elements surrounding an insulated brick chamber and a heavy door for heat retention. Its purpose is to offer consistent, controllable firing for potters and artists, accommodating shelves of ware. It is a standard design in educational studios, small-scale production potteries, and for firing technical ceramics due to its even heat distribution.
This configuration is suitable when the sample load must fit a 225 x 225 x 300 MM chamber with usable chamber volume of 15.2 litre, approximate power load of 8.7 kW, square chamber profile. It is commonly selected for laboratory, QC, metallurgical, ceramic, pharmaceutical and industrial heat-treatment work requiring stable heating and repeatable process conditions. Typical use includes annealing, tempering, hardening and general heat-treatment of metal and ceramic parts in tool rooms, forge shops and QC labs.
Equivalent chamber references: 225 x 225 x 300 MM, 23 x 23 x 30 CM and 9 x 9 x 12 INCH. Buyers searching for 1200 Degree Celsius Box Kiln 225 x 225 x 300 MM chamber; 1200°C Box Kiln 225 x 225 x 300 MM; 1200 Degree Celsius Box Kiln 23 x 23 x 30 CM chamber; 1200°C Box Kiln 23 x 23 x 30 CM; 1200 Degree Celsius Box Kiln 9 x 9 x 12 INCH chamber; 1200°C Box Kiln 9 x 9 x 12 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
Trutherm manufactures 1200 Degree Celsius (1200°C) Box Kiln 225 x 225 x 300 MM Chamber for buyers who search by exact machine type, chamber size and 1200°C temperature rating. This page is specific to the MM dimension version, so the chamber size is presented in the unit normally used in the buyer's drawing, tender or purchase request.
Where sample orientation is not critical, the flat shelf and square chamber of a box furnace generally load faster than a cylindrical tube furnace of similar volume.
Box furnaces take their name from the simple rectangular chamber, which makes them easy to load with trays, crucibles or irregularly shaped parts through a front-opening door.
Compared to a tube or ashing furnace, this box (chamber) furnace gives the largest usable loading footprint for its outer size, so it suits irregularly shaped parts, trays and multiple crucibles better than a cylindrical or vent-style chamber.