High purity: ≥99.95% tungsten for high-temperature strength and low thermal expansion.
Precision customization: OD 10–500 mm, WT 2–20 mm, height 10–750 mm; small-batch sampling.
Process control & QA: powder metallurgy with chemical/mechanical/X-ray/surface checks; impurities single ≤0.01%, total ≤0.05%.
Sapphire growth furnaces: high-temperature containers for crystal growth.
Quartz glass melting: corrosion-resistant crucibles for reactive molten glass.
Rare-earth smelting: thermally stable vessels ensuring uniform heating.
Chemical composition (purity/impurity control)
Mechanical properties (strength, hardness)
Appearance & size inspection (dimensional accuracy)
X-ray detection (internal integrity)
Send your specifications (grade, size, quantity) — quotation and lead time within 12 hours. Trial orders with flexible MOQ are supported for evaluation and qualification. All materials are supplied with EN 10204 3.1 MTC and full inspection documentation for export compliance.
LuminaTitanium provides high-purity (≥99.95%) tungsten crucibles produced via powder metallurgy. Combining excellent high-temperature strength with low thermal expansion, these crucibles are supplied to custom sizes and processes for sapphire growth, quartz glass melting, and rare-earth smelting.
| Parameter | Details | Why It Works for You |
|---|---|---|
| Material | Pure tungsten | High melting point & thermal stability |
| Purity | ≥99.95% | Reliability in high-temp, high-precision processes |
| Size (OD) | 10–500 mm | Fits lab to large industrial furnaces |
| Size (WT) | 2–20 mm | Thin-wall for large units; thick-wall for heavy loads |
| Size (Height) | 10–750 mm | Matches furnace configuration; less rework |
| Condition | Sintering / Stamping / Welding / Machining | Flexible routes for different sizes |
| Density | 9.8–10.2 g/cm³ | Structural integrity under heat |
| Technology | Powder metallurgy | Uniform microstructure; high purity |
Purity & spec: e.g., ≥99.95% tungsten; powder-metallurgy route (if required)
Dimensions & tolerance: OD × WT × height; tolerance/flatness/roundness targets
Process & surface: sintered/stamped/welded/machined; any roughness or finish target
Testing & QA: chemical/mechanical/X-ray; acceptance criteria
Documentation: MTC EN 10204 3.1; inspection reports; RoHS/REACH (as applicable)
Quantity & packaging: lot size; anti-collision packing; export wooden cases
Logistics & terms: target lead time; Incoterms; destination & carrier
Notes: furnace type and working temperature for tailored recommendations
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