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Provide you with professional equipment and anti-wear technology solutions!
2 Years
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| Brand Name : | Elacera |
| Model Number : | Alumina Ceramics |
| Certification : | ISO9001-2015 |
| Price : | Negotiable |
| Payment Terms : | T/T |
| Supply Ability : | 100,000 ㎡/ year |
| Delivery Time : | 25-45 workdas |
Product Description
Product Features
✅Purity ladder design
95%: general industrial grade, the best choice for cost performance
99%: semiconductor grade, sodium and potassium ion content <10ppm
99.9%: scientific research grade, iron and titanium impurities <1ppm
✅Structural innovation
Inner wall nano-coating technology (optional): reduce metal wettability and improve de-molding efficiency
Bottom thickening design: uniform heat dissipation to prevent local overheating
✅Environmental protection characteristics
Comply with RoHS/REACH standards
Production energy consumption is 15% lower than the industry average
Technical Specifications
| Item | 95% Alumina Crucible | 99% Alumina Crucible | 99.9% Ultra-High Purity Crucible |
|---|---|---|---|
| Al₂O₃ Content | ≥95% | ≥99% | ≥99.9% |
| Density | 3.7-3.8 g/cm³ | 3.9-4.0 g/cm³ | 4.0-4.05 g/cm³ |
| Compressive Strength | ≥350 MPa | ≥450 MPa | ≥500 MPa |
| Max Service Temperature | 1700°C | 1850°C | 1900°C |
| Thermal Expansion Coefficient | 7.5×10⁻⁶/°C (20-1000°C) | 7.2×10⁻⁶/°C (20-1000°C) | 6.8×10⁻⁶/°C (20-1000°C) |
| Surface Roughness | Ra ≤ 0.8 μm | Ra ≤ 0.4 μm | Ra ≤ 0.2 μm |
| Custom Size Tolerance | ±0.1 mm | ±0.05 mm | ±0.02 mm |
Application range
Technical specifications
Material composition: more than 99% high-purity alumina (Al₂O₃)
Density: ≥3.8 g/cm³
Maximum operating temperature: 1800℃ (short term) / 1650℃ (long term)
Thermal shock stability: ΔT≥300℃ (no cracking during rapid cooling and heating)
Size range: inner diameter 10 mm~500 mm, customization supported
Surface finish: Ra≤0.2μm (polishing optional)
Product Features & Benefits
Resistant to extremely high temperatures: Suitable for high-temperature scenarios such as molten metal, glass, rare earth materials, etc.
Chemical inertness: Resistant to acid and alkali corrosion, avoiding experimental/production pollution.
Low thermal expansion coefficient: Dimensionally stable at high temperatures, extending service life.
High mechanical strength: Mohs hardness level 9, wear and impact resistance.
Cost advantage: Direct supply from the source factory: 20-30% lower than the agent price,
Life cycle cost: 4 times that of graphite crucible, annual maintenance cost reduced by 60%
Customer value
Manufacturing Process
Raw material processing: nano-alumina powder + precision formula additives
Molding process: isostatic pressing (CIP) to ensure uniform density
Sintering technology: atmosphere protection kiln above 1700℃, microcrystalline structure control
Quality inspection process: X-ray flaw detection + size laser detection
(Emphasis on technical barriers and quality control, to improve trust)
Manufacturing Process
Raw material processing: nano-alumina powder + precision formula additives
Molding process: isostatic pressing (CIP) to ensure uniform density
Sintering technology: atmosphere protection kiln above 1700℃, microcrystalline structure control
Quality inspection process: X-ray flaw detection + size laser detection
FAQ
Q1: How to choose the appropriate crucible purity?
A: According to the usage scenario: 95% for industrial smelting, 99% for semiconductors/lithium batteries, and 99.9% for scientific research experiments
Q2: Does it support non-standard design?
A: Yes, samples can be produced in as fast as 7 days
Q3: What are the guarantees for packaging and transportation?
A: Shockproof foam + wooden box packaging, in line with international logistics standards, breakage rate <0.3%
Q4: How to verify product quality?
A: Provide third-party test reports, support customers' on-site factory inspections
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