| Category | Muffle Furnace |
| Model | Bead Kiln |
| Max Temperature | 1400°C (2552°F) |
| Working Temperature | 1300°C |
| Thermocouple Type | B (Platinum-30% Rhodium) |
| Thermocouple Details | High purity alumina insulation, Platinum-Rhodium alloy sheath, 8mm diameter, Type B, Tolerance Class 2, 200 to +1700°C range |
| Heating Element | Silicon Carbide (SiC) |
| Element Details | Brittle material, SiC heating elements, Max temp: 1600°C, High power density |
| Chamber (MM) | 420 x 420 x 800 |
| Outer Body (MM) | 830.0 x 1030.0 x 1080.0 |
| Chamber Volume | 141.1 Litres |
| Volume (cu.ft) | 33.7 ft³ |
| Power Load | 22.45 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 283.6 kg |
| Chamber Shape | Square |
This kiln is specifically engineered for creating glass beads through processes like lampworking or fusing. Operating at similar temperatures to the bead furnace (around 800°C), it is used for the final annealing or fusing stage. The working principle involves a chamber that heats multiple beads uniformly and slowly to relieve stresses introduced during shaping, then cools them under controlled conditions. Its purpose is to ensure the durability and stability of the finished glass beads by preventing internal fractures. Popular among jewelry makers and glass artists, it is an essential piece of equipment for producing high-quality, durable beadwork.
Equivalent chamber references: 420 x 420 x 800 MM, 42 x 42 x 80 CM and 16 x 16 x 32 INCH. Buyers searching for 1400 Degree Celsius Bead Kiln 420 x 420 x 800 MM chamber; 1400°C Bead Kiln 420 x 420 x 800 MM; 1400 Degree Celsius Bead Kiln 42 x 42 x 80 CM chamber; 1400°C Bead Kiln 42 x 42 x 80 CM; 1400 Degree Celsius Bead Kiln 16 x 16 x 32 INCH chamber; 1400°C Bead Kiln 16 x 16 x 32 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
Trutherm manufactures 1400 Degree Celsius (1400°C) Bead Kiln 420 x 420 x 800 MM Chamber for buyers who search by exact machine type, chamber size and 1400°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.
This configuration is suitable when the sample load must fit a 420 x 420 x 800 MM chamber with usable chamber volume of 141.1 litre, approximate power load of 21.4 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 general laboratory and industrial heat-treatment applications requiring stable, repeatable temperature control.
Where sample volume and process type vary week to week, a general-purpose muffle furnace avoids the cost of maintaining several process-specific furnace types.
A muffle furnace is usually the first furnace a lab installs, since it covers the broadest share of everyday heating, drying and ashing tasks before more specialised equipment is added.
As a general-purpose muffle furnace, this model covers a broader range of routine heating tasks than a process-specific ashing, tube or sintering furnace, making it the practical default when the lab runs mixed sample types rather than one dedicated process.