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Fused Silica Ceramic Crucible (For Frit Furnaces)
PRODUKTPARAMETRE
Beskrivelse
Fused Quartz Ceramic Crucibles (for Fusing Furnaces)
Fused quartz ceramic crucibles are manufactured using high-purity fused quartz as the main raw material through modern ceramic forming and high-temperature sintering processes. The products have a high silica content, exhibiting excellent high-temperature resistance, modstand mod termisk stød, and chemical corrosion resistance, meeting the requirements of high-temperature melting, sintring, and material preparation processes.
This series of crucibles is widely used in industries such as fusing furnaces, experimental electric furnaces, polycrystalline silicon production, non-ferrous metal smelting, and glass manufacturing. They can be used for melting materials such as silicon, aluminium, and copper.
Produktegenskaber
- Ultra-high Temperature Performance, Temperature Resistance 1680℃
This product uses high-purity fused silica as the main raw material and is processed using modern ceramic technology. It can withstand temperatures up to 1680℃. Suitable for high-temperature smelting applications such as optical glass, specialty glass, ceramic grinding wheel binders, polycrystalline silicon production, and non-ferrous metal smelting.
- High-Purity Material, Stable Composition
Silicon dioxide (SiO₂) content ≥99.86%, high purity, does not react with the melt at high temperatures, and does not contaminate the material. Particularly suitable for smelting processes in optical glass, specialty glass, and high-purity metals where strict purity requirements are necessary.
- Excellent Thermal Shock Resistance
Low coefficient of thermal expansion, good high-temperature thermal shock resistance, and resistance to rapid heating and cooling. Not prone to cracking under repeated heating and cooling conditions in a frit furnace, resulting in a long service life and reduced crucible replacement frequency.
- Excellent Chemical Resistance
With a fine structure, it exhibits excellent resistance to chemical corrosion, exhibiting good resistance to various glass materials, fluxes, and molten metals. It is non-stick and does not shed slag, ensuring the purity of the melt.
- High Dimensional Accuracy
Processed using modern ceramic technology, it boasts high dimensional accuracy, excellent fit with the furnace lining, low thermal conductivity, and minimal heat loss. Multiple specifications and models are available, and customization is supported.
- High Room Temperature Pressure Resistance
With a room temperature pressure resistance ≥70MPa, it possesses high mechanical strength, is not easily damaged during loading and unloading, and ensures safe and reliable operation.
| Materiale | Max Service Temperature | Main Composition |
|---|---|---|
| High-purity quartz | 1680℃ | SiO₂ content ≥ 99% |
| Mullite (60%~70% alumina) | 1600℃ | Al₂O₃ content 60~70% SiO₂ content 30~40% |
| 99% aluminiumoxid (Corundum) | 1750℃ | Al₂O₃ content ≥ 99% |
| Cordierite sagger | 1300℃ | Al₂O₃ content ~52% SiO₂ content ~40% MgO content ~8% |
| Zirconia | 2200℃ | ZrO₂ + HfO₂ content ≥ 95% |
| Corundum-mullite | 1700℃ | Al₂O₃ content 75~85% SiO₂ content 15~25% |
| Zirconia-mullite | 1600℃ | ZrO₂ content 10~40% Al₂O₃ content 45~70% SiO₂ content 10~20% |
| Magnesia-alumina (Magnesia spinel / Mag-Alumina) | 1800℃ | MgO content 3~15% Al₂O₃ content >90% SiO₂ content <5% |
| Zirconia-alumina (Zirconia-corundum) | 1800℃ | ZrO₂ content 20~40% Al₂O₃ content 60~80% |
Anvendelsesområder
- Optical Glass Melting: Suitable for melting optical glass and specialty glass. High-purity silica material does not introduce impurities, ensuring the optical properties of the glass.
- Low-Temperature Flux Preparation for Glass: Suitable for melting low-temperature fluxes for glass. Excellent resistance to chemical corrosion, providing long-term protection against flux corrosion.
- Enamel Glaze Preparation: Suitable for melting enamel base glaze, top glaze, and colored glaze. Good thermal shock stability, adaptable to enamel glaze melting processes with frequent temperature increases and decreases.
- Ceramic Bonding Agent Preparation: Suitable for melting ceramic grinding wheel binders. Non-stick and slag-free, ensuring stable binder composition.
- Polycrystalline Silicon Production: Suitable for melting processes in polycrystalline silicon production. High-purity silica material does not contaminate the silicon material, ensuring the purity of polycrystalline silicon.
- Non-Ferrous Metal Melting: Suitable for melting and heat preservation of non-ferrous metals such as silicon, aluminium, and copper. High compressive strength at room temperature, safe and reliable loading and unloading operations.
- Specialty Glass and New Material R&D: Suitable for the melting and R&D of specialty glass, microcrystalline glass, glass ceramics, and other new materials in research institutes and university laboratories.
- Fusing Furnace Crucibles: Specifically designed for fusing furnaces, adaptable to the crucible requirements of various glass and enamel fusing furnaces. Multiple specifications and models are available for customization.
Virksomhedsprofil
En professionel virksomhed med speciale i varmebehandlingsteknologitjenester og R&D, fremstilling, og salg af højtemperatur elektriske ovne.
Virksomheden fokuserer på at udvikle højtemperatur elektriske ovne, der dækker et fuldt temperaturområde på -100 ℃ til 2600 ℃. Dets produkter omfatter eksperimentelle elektriske ovne, vakuum atmosfære ovne, industrielle ovne, og mellemfrekvent induktionsvarmeudstyr. De vigtigste produkter omfatter kasseovne, rørovne, løfteovne, skubbeovne, bogie ovne, roterovne, tunnelovne, og forskellige specialiserede mellemfrekvente ovne.
Virksomheden holder sig til teknologisk innovation og har bestået ISO9001 og EU CE-certificeringer. Det ejer 21 registrerede varemærker, 29 patenter, og 27 software ophavsrettigheder.
Betalingsmetoder
TT
Forsendelsesmetoder
El-ovnen er pakket i tre lag: først pakket ind i skumpapir, derefter pakket ind i plastfilm, og til sidst pakket i en trækasse.
Ofte stillede spørgsmål (FAQ)
- What is the maximum temperature that the fused silica ceramic crucible can withstand?
The maximum operating temperature of the product is 1680℃. The specific operating temperature should be determined based on process conditions and the usage environment.
- What materials is the crucible suitable for melting?
It can be used for melting materials such as silicon, aluminium, and copper. It can also be used for experiments with glass raw materials and some ceramic materials.
- Is the product prone to cracking?
Fused silica has a low coefficient of thermal expansion and good thermal shock resistance, exhibiting good crack resistance under reasonable usage conditions.
- Do you support custom sizes?
Ja, we can customize production according to customer-provided size requirements, drawings, or samples.
- Are there other material options besides quartz?
We can provide ceramic crucibles made of different materials such as fused silica and alumina, depending on actual process requirements.
