| Category | Muffle Furnace |
| Model | Gold Smelting Furnace |
| Max Temperature | 1300°C (2372°F) |
| Working Temperature | 1200°C |
| Thermocouple Type | S (Platinum-10% Rhodium) |
| Thermocouple Details | 0 to +1550°C range, High purity alumina insulation, Platinum sheath, 8mm diameter, Type S, Tolerance Class 2 |
| Heating Element | Silicon Carbide (SiC) |
| Element Details | High power density, Brittle material, SiC heating elements, Max temp: 1600°C |
| Chamber (MM) | 640 x 375 x 375 |
| Outer Body (MM) | 1050.0 x 990.0 x 650.0 |
| Chamber Volume | 90 Litres |
| Volume (cu.ft) | 24.6 ft³ |
| Power Load | 17.79 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 219.71 kg |
| Chamber Shape | Rectangular - wide |
This high-temperature furnace (around 1200°C) is used to smelt gold ores or concentrates, separating elemental gold from the rocky matrix. The working principle involves mixing the ore with fluxes and a reducing agent (like coke) and melting it in a crucible or small blast furnace. The dense molten gold sinks to the bottom, while lighter impurities form a slag on top. Its purpose is the primary extraction of gold from mined rock on a small to medium scale, often used by mining cooperatives or in remote locations.
Equivalent chamber references: 640 x 375 x 375 MM, 64 x 38 x 38 CM and 25 x 15 x 15 INCH. Buyers searching for 1300 Degree Celsius Gold Smelting Furnace 640 x 375 x 375 MM chamber; 1300°C Gold Smelting Furnace 640 x 375 x 375 MM; 1300 Degree Celsius Gold Smelting Furnace 64 x 38 x 38 CM chamber; 1300°C Gold Smelting Furnace 64 x 38 x 38 CM; 1300 Degree Celsius Gold Smelting Furnace 25 x 15 x 15 INCH chamber; 1300°C Gold Smelting Furnace 25 x 15 x 15 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
Trutherm manufactures 1300 Degree Celsius (1300°C) Gold Smelting Furnace 640 x 375 x 375 MM Chamber for buyers who search by exact machine type, chamber size and 1300°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 640 x 375 x 375 MM chamber with usable chamber volume of 90 litre, approximate power load of 17.8 kW, rectangular - wide 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 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.
Because muffle furnaces are used across ashing, drying, calcination and light heat-treatment, the chamber and controller are specified for flexibility rather than one narrow process window.
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.