Engineered to meet the stringent demands of Israeli research institutes and high-tech manufacturing plants.
Strategic refractory materials powering innovation across Silicon Wadi, Haifa, and the Southern Tech Corridors.
Israel's global prominence in advanced microelectronics, optoelectronics, and defense tech creates an exacting demand for refractory metal components capable of enduring extreme thermal conditions. In key innovation centers spanning Tel Aviv, Haifa, Yokneam, and Kiryat Gat, cutting-edge semiconductor fabrication facilities and specialized crystallization labs require thermal vessels with unyielding structural integrity.
Tungsten crucibles, renowned for possessing the highest melting point of all metals (3422°C), represent an indispensable core component for crystal growth furnaces (such as Kyropoulos and Bridgman processes), vacuum evaporation coating, and rare-earth metal melting. As Israeli R&D hubs push the boundaries of compound semiconductors (GaN, SiC) and optical sapphire crystal fabrication for defense and laser systems, high-density tungsten crucibles guarantee non-reactive, contamination-free processing environments under vacuum or protective gas atmospheres.
• Purity Standard (≥ 99.95%): Prevents metal ion diffusion in advanced optical and wafer processing.
• Extreme Thermal Stability: Near-zero deformation up to 2600°C under severe operational gradients.
• Advanced Sintering & Spinning: High density (≥ 18.5 g/cm³) eliminates micro-porosity and leakage risks.
• Full Custom Machining: Precision tolerances meeting ISO & ASTM standards for custom Israeli furnace setups.
Providing custom thermal engineering solutions tailored to Israel's domestic research and manufacturing landscape.
Israeli defense contractors and electro-optic manufacturers utilize our pressed-sintered and spinning tungsten crucibles for manufacturing high-quality sapphire ingots used in sensor windows, infrared domes, and precision optical lenses.
For cleanroom wafer fabrication units around Kiryat Gat and Petah Tikva, ultra-pure W1 crucibles ensure consistent thermal deposition, thermal evaporation, and molecular beam epitaxy (MBE) without introducing particulate contaminants.
Collaborating with university laboratories and clean-tech startups across the Negev Desert region exploring concentrated solar energy, high-temperature thermal storage, and rare-earth smelting applications.
| Property / Specification | Sintered Tungsten Crucible | Spun / Machined Tungsten Crucible | Application Match in Israel |
|---|---|---|---|
| Purity Level | ≥ 99.95% (W1 Grade) | ≥ 99.98% Ultra-Pure | Semiconductor Epitaxy & Laser Crystals |
| Density | 18.0 - 18.5 g/cm³ | ≥ 19.0 g/cm³ (Full Forged) | High-temperature vacuum smelting |
| Max Working Temp | Up to 2400°C (Inert/Vacuum) | Up to 2600°C (Inert/Vacuum) | Sapphire Crystal Ingot Manufacturing |
| Surface Finish (Ra) | Ra 1.6 - 3.2 µm | Ra ≤ 0.8 µm (Precision Polished) | Optical Coating & Electron Beam Evaporation |
Direct Exporter & Trusted Partner for Refractory Metals Worldwide
“Quality ensures survival, efficiency drives growth, and continuous improvement earns customer satisfaction.”
Yunjie has continuously upgraded its quality systems and global logistics support for more than 30 years.
High-End Manufacturing and Metallurgy Industry Solutions
Energy and Nuclear Industry Solutions
Chemical and Marine Engineering Industry Solutions
Electronics and Semiconductor Industry Solutions
Customizable Vacuum Furnace Liners
Aerospace Industry Solutions
Explore our full portfolio of precision-manufactured tungsten products, furnace parts, and specialty alloy crucibles.
