Molybdenum heating elements with high melting point, low thermal expansion, high electrical resistance, low vapor pressure and good thermal conductivity. Built for sapphire-growth and vacuum furnaces. Diameters Ø3–100 mm and lengths up to 3000 mm — geometry custom to your drawing.
| Diameter | 3 – 100 mm |
| Length | 3 – 3000 mm |
| Purity | 99.95% |
| Vapor pressure | 10⁻⁶ Pa |
| Geometry | Custom to drawing |
| Grade / Purity | Mo ≥ 99.95% |
| Diameter | 3 – 100 mm |
| Length | 3 – 3000 mm |
| Features | High resistance · low expansion · low vapor pressure |
| Geometry | Custom to drawing |
| Quantity | As required |
| Packing | Moisture-proof paper + wooden / carton case |
| Atomic number | 42 |
| CAS number | 7439-98-7 |
| Atomic mass | 95.94 g/mol |
| Melting point | 2620 °C |
| Boiling point | 4639 °C |
| Density (20 °C) | 10.22 g/cm³ |
| Crystal structure | Body-centered cubic |
| Thermal expansion (20 °C) | 5.2 × 10⁻⁶ m/(m·K) |
| Thermal conductivity (20 °C) | 142 W/(m·K) |
| Specific heat (20 °C) | 0.25 J/(g·K) |
| Electrical conductivity (20 °C) | 17.9 × 10⁶ S/m |
| Resistivity (20 °C) | 0.056 (Ω·mm²)/m |
Mo powder mixed to grade.
Cold isostatic pressing.
Medium-frequency sintering furnace.
Formed and machined to element geometry.
Resistance heating elements for sapphire crystal growth.
Heating elements for vacuum and high-temperature furnaces.
Elements for ceramics, metallurgy and electronics furnaces.
Heating elements made to drawing for special furnaces.
Send your diameter, length and geometry — or a drawing. Quotes within one business day.