| Category | Muffle Furnace |
| Model | Porcelain Firing Furnace |
| 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 | Max temp: 1600°C, High power density, Brittle material, SiC heating elements |
| Chamber (MM) | 425 x 825 x 425 |
| Outer Body (MM) | 840.0 x 1430.0 x 710.0 |
| Chamber Volume | 149 Litres |
| Volume (cu.ft) | 30.5 ft³ |
| Power Load | 21.44 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 287.38 kg |
| Chamber Shape | Rectangular - tall |
This is the correct technical term for a furnace that fires porcelain ceramics to vitrification. Operating at temperatures near 1300°C, it is the final, high-fire step. The working principle requires precise control through the critical quartz inversion and vitrification ranges to achieve zero porosity and maximum strength without causing deformation or over-firing. Its purpose is to produce high-quality sanitaryware, electrical insulators, dental prosthetics, and fine art porcelain, where whiteness, translucency, and impermeability are defining characteristics.
Equivalent chamber references: 425 x 825 x 425 MM, 43 x 83 x 43 CM and 17 x 33 x 17 INCH. Buyers searching for 1400 Degree Celsius Porcelain Firing Furnace 425 x 825 x 425 MM chamber; 1400°C Porcelain Firing Furnace 425 x 825 x 425 MM; 1400 Degree Celsius Porcelain Firing Furnace 43 x 83 x 43 CM chamber; 1400°C Porcelain Firing Furnace 43 x 83 x 43 CM; 1400 Degree Celsius Porcelain Firing Furnace 17 x 33 x 17 INCH chamber; 1400°C Porcelain Firing Furnace 17 x 33 x 17 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 (°C) Porcelain Firing Furnace 425 x 825 x 425 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 425 x 825 x 425 MM chamber with usable chamber volume of 149 litre, approximate power load of 21.9 kW, rectangular - tall 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.
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.
A muffle furnace isolates the sample from direct contact with heating elements or combustion gases, giving cleaner, more repeatable results than an open flame or hot-plate process.
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.