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Magnesium Aluminate Spinel Crucible for High Temperature Applications
PRODUIT PARAMETER
Beschreiwung
Magnesia-Alumina Spinel Crucible
Magnesia-Alumina spinel crucibles are manufactured using periclase (MgO) and magnesium-alumina spinel (MgAl₂O₄) as the main refractory minerals, with the addition of high-quality mineralizers, through high-pressure molding and high-temperature sintering processes. The product has a dense crystal structure and strong particle bonding, exhibiting excellent high-temperature resistance, high-temperature mechanical strength, and thermal shock resistance.The bulk density of magnesium-alumina spinel crucibles is generally ≥3.2 g/cm³, and the maximum service temperature can reach 1750℃. As it is an alkaline refractory material, the product has extremely strong corrosion resistance to alkaline melts and alkaline environments.
Produit Fonctiounen
- Alkaline Refractory Material with Stable Spinel Structure
The main materials are periclase and spinel, which are closely combined with mineralizing agents, high-pressure molding, and high-temperature sintering. The spinel structure gives excellent thermal stability and chemical stability, and it is an alkaline refractory material.
- High Strength and Excellent Thermal Shock Resistance
With a bulk density >3.2 g/cm³, spinel exhibits a dense structure and high strength. Its low thermal expansion and excellent thermal shock resistance make it suitable for batch processes involving frequent temperature increases and decreases, as it does not crack under rapid temperature changes.
- Ultra-High Temperature Performance, Long-Term Use at 1750℃
With a maximum operating temperature of 1750℃, it can be used stably at high temperatures for extended periods. It does not deform or soften at high temperatures, making it suitable for alkaline smelting and sintering processes requiring high refractoriness.
- Excellent resistance to alkaline corrosion
It exhibits extremely high corrosion resistance in alkaline environments, and can withstand long-term erosion by alkaline melts, alkaline fluxes (such as sodium carbonate, borax, etc.), and alkaline slag. It does not readily react with alkaline materials, ensuring product purity.
| Material | Max Service Temperature | Main Composition |
|---|---|---|
| Héich Puritéit Quarz | 1680℃ | SiO₂ content ≥ 99% |
| Mullite (60%~70% alumina) | 1600℃ | Al₂O₃ content 60~70% SiO₂ content 30~40% |
| 99% alumina (Corundum) | 1750℃ | Al₂O₃ content ≥ 99% |
| Cordierite sagger | 1300℃ | Al₂O₃ content ~52% SiO₂ content ~40% MgO content ~8% |
| Zirconia | 2200℃ | ZrO₂ + HfO₂ content ≥ 95% |
| Corundum erweicht | 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% |
Applikatioun Beräicher
- Alkaline Refractory Materials: Suitable for high-temperature smelting and heat treatment processes in alkaline slag environments.
- Glass and Enamel Melting: Suitable for melting alkaline materials such as alkaline glass frits, enamel glazes, and ceramic frits.
- Non-ferro Metal Schmelzen: Suitable for alkaline smelting processes of non-ferrous metals such as copper, Aluminium, zinc, and lead.
- Metallurgical Analysis: Suitable for sample pretreatment requiring alkaline fluxes, such as in fire assays.
- Advanced Ceramic Sintering: Suitable for the sintering and heat treatment of advanced ceramic materials such as magnesium-based and aluminum-based materials.
- Universities and Research Institutes: Suitable for alkaline high-temperature experimental teaching and research projects in materials science and engineering, metallurgical engineering, and chemical engineering.
Firma Profil
Eng professionell Entreprise spezialiséiert op Wärmebehandlungstechnologie Servicer an de R&D, Fabrikatioun, a Verkaf vun héich-Temperatur elektresch Schmelzhäre.
D'Firma konzentréiert sech op d'Entwécklung vun héijen Temperaturen elektreschen Uewen, déi e ganzt Temperaturberäich vun -100 ℃ bis 2600 ℃ decken. Seng Produkter enthalen experimentell elektresch Schmelzen, Vakuum Atmosphär Schmelzen, industriell Uewen, a Mëttelfrequenz Induktiounsheizungsausrüstung. Haaptprodukter enthalen Këschtofen, Rouer Uewen, Levée Schmelzen, pusher Uewen, bogie Uewen, Rotary Uewen, Tunnelofen, a verschidde spezialiséiert Mëttelfrequenz Uewen.
D'Firma hält technologesch Innovatioun an huet ISO9001 an EU CE Zertifizéierungen passéiert. Et gehéiert 21 registréiert Marken, 29 Patenter, an 27 Software Copyright.
Bezuelmethoden
TT
Versandmethoden
Den elektreschen Uewen ass an dräi Schichten verpackt: éischt a Schaumpapier gewéckelt, dann a Plastikfilm gewéckelt, a schlussendlech an eng hëlze Këscht gepackt.
Oft gestallte Froen (FAQ)
- What is the highest temperature that a magnesium-aluminum spinel crucible can withstand?
The maximum operating temperature of the product can reach 1750℃, meeting the requirements of most high-temperature sintering, melting, and heat treatment processes.
- What environments are magnesium-aluminum spinel crucibles suitable for?
Magnesium-aluminum spinel crucibles are particularly suitable for alkaline melts, alkaline slags, and other alkaline high-temperature environments. They are also suitable for various high-temperature sintering and heat treatment processes.
- What are the advantages of magnesium-aluminum spinel crucibles?
The product features high temperature resistance, high mechanical strength, excellent thermal shock resistance, strong resistance to alkaline corrosion, and long service life, making it ideal for high-temperature continuous production and complex operating conditions.
- What precautions should be taken during use?
It is recommended to preheat before first use, avoid rapid heating and cooling and mechanical impact; allow it to cool naturally after use, and regularly check the crucible for cracks or wear to extend its service life.
- Are customized specifications supported?
Jo. We can customize magnesium aluminum spinel crucibles of different sizes, capacities, wall thicknesses and special structures according to customer needs to meet different application requirements in laboratories, university research and industrial production.
