| Category | Muffle Furnace |
| Model | Silver Refining 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) | 450 x 450 x 600 |
| Outer Body (MM) | 855.0 x 1065.0 x 880.0 |
| Chamber Volume | 121.5 Litres |
| Volume (cu.ft) | 28.9 ft³ |
| Power Load | 19.91 kW |
| Power Supply | 440V, Three Phase |
| Gross Weight | 247.28 kg |
| Chamber Shape | Square |
This furnace is part of a system used to purify silver, separating it from base metal impurities or other precious metals. Operating at temperatures around 1000°C, it may use processes like cupellation or electrolytic refining. The working principle in cupellation involves melting the impure silver with lead in an oxidizing atmosphere; lead and other impurities oxidize and are absorbed into a porous cupel, leaving pure silver behind. Its purpose is to produce fine silver (99.9%+ pure) from scrap, coins, or mined bullion for industrial, investment, and artistic uses.
Trutherm manufactures 1400 Degree Celsius (°C) Silver Refining Furnace 450 x 450 x 600 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 450 x 450 x 600 MM chamber with usable chamber volume of 121.5 litre, approximate power load of 20.1 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.
Equivalent chamber references: 450 x 450 x 600 MM, 45 x 45 x 60 CM and 18 x 18 x 24 INCH. Buyers searching for 1400 Degree Celsius Silver Refining Furnace 450 x 450 x 600 MM chamber; 1400°C Silver Refining Furnace 450 x 450 x 600 MM; 1400 Degree Celsius Silver Refining Furnace 45 x 45 x 60 CM chamber; 1400°C Silver Refining Furnace 45 x 45 x 60 CM; 1400 Degree Celsius Silver Refining Furnace 18 x 18 x 24 INCH chamber; 1400°C Silver Refining Furnace 18 x 18 x 24 INCH can verify the same physical chamber on this canonical product page before requesting price, GST invoice, packaging and delivery.
Uniform chamber heating and a simple door-loading design make a muffle furnace straightforward to standardise across multiple operators and shifts.
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.
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.