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High Temperature Corundum Mullite Crucible

Beschreibung
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Beschreibung

Corundum-Mullite Dental Sintering Tray

The Corundum-Mullite Dental Sintering Tray is made of high-purity corundum (Al₂O₃) and mullite composite refractory material, refined through high-pressure molding and high-temperature sintering. It is specifically designed for the sintering of zirconia dentures, all-ceramic crowns, dental bridges, and other dental ceramic materials.

The product features high purity, high temperature resistance, Thermoschockbeständigkeit, deformation resistance, wear resistance, and excellent chemical stability. It can be used long-term in dental sintering furnaces, high-temperature muffle furnaces, and laboratory sintering equipment. With its stable material properties and uniform heating effect, it effectively ensures the dimensional stability and product quality of dentures during sintering, making it a commonly used high-temperature sintering support container in dental laboratories and denture processing centers.

Produktmerkmale

  1. High-purity corundum-mullite multiphase material

Utilizing a high-purity corundum (α-Al₂O₃) and mullite (3Al₂O₃·2SiO₂) multiphase formula, with Al₂O₃ content of 87.66% and SiO₂ content of 11.69%. The high alumina content ensures excellent high-temperature performance and chemical stability, while the multiphase structure retains good thermal shock resistance.

  1. Extremely low impurity content, non-contaminating dental materials

Extremely low impurity content: Fe₂O₃ 0.15%, CaO 0.12%, TiO₂ 0.07%, K₂O 0.08%, Na₂O 0.14%, MgO <0.01%, loss on ignition <0.05%. During high-temperature use, it does not shed slag, powder, or introduce foreign impurities, ensuring the purity and color stability of dental restorations (such as zirconia crowns) and does not affect the biocompatibility of the material.

  1. Excellent Thermal Shock Resistance

The mullite phase endows the sagger with excellent thermal shock resistance, adapting to the cyclical processes of frequent temperature rises and falls in dental sintering furnaces. It does not crack or peel under rapid heating and cooling conditions, extending the sagger’s service life.

  1. Good High-Temperature Resistance and Dimensional Stability

It can be used stably for a long time at dental sintering temperatures (typically 1500-1600℃). Its coefficient of thermal expansion matches well with dental zirconia materials, ensuring that the sagger does not deform during sintering.

  1. Smooth Surface and Smooth Contact Surface with Workpiece

The smooth and flat surface ensures a smooth contact surface with the dental restoration, reducing the risk of mechanical damage and contamination to the crown surface.

Corundum-Mullite Dental Sintering Tray
ComponentContent(%)
Loss on ignition LOSS(1025℃)< 0.05
Aluminum oxide Al₂O₃87.66
Silicon dioxide SiO₂11.69
Iron oxide Fe₂O₃0.15
Calcium oxide CaO0.12
Magnesium oxide MgO< 0.01
Potassium oxide K₂O0.08
Sodium oxide Na₂O0.14
Titanium dioxide TiO₂0.07

Anwendungsbereiche

  • Dental Restoration Sintering: Suitable for high-temperature crystallization sintering of zirconia (ZrO₂) crowns, bridges, and other all-ceramic dental restorations.
  • Dental Ceramic Heat Treatment: Suitable for high-temperature sintering and heat treatment processes of dental ceramic materials such as veneer porcelain and cast porcelain.
  • Dental Prosthesis Processing Center: Suitable for large-scale sintering of dental materials in dental prosthesis processing enterprises.
  • Dental Laboratory: Suitable for experimental teaching of dental restoration processes and research on dental materials.
  • Dental Material R&D: Suitable for the formulation development and sintering process optimization of new dental ceramic materials.

Unternehmensprofil

Ein professionelles Unternehmen, das sich auf Dienstleistungen im Bereich Wärmebehandlungstechnologie und die R. spezialisiert hat&D, Herstellung, und Vertrieb von Hochtemperatur-Elektroöfen.

Das Unternehmen konzentriert sich auf die Entwicklung von Hochtemperatur-Elektroöfen, die einen gesamten Temperaturbereich von -100℃ bis 2600℃ abdecken. Zu seinen Produkten gehören experimentelle Elektroöfen, Vakuumatmosphärenöfen, Industrieöfen, und Mittelfrequenz-Induktionsheizgeräte. Zu den Hauptprodukten gehören Kastenöfen, Rohröfen, Hebeöfen, Schuböfen, Drehgestellöfen, Drehrohröfen, Tunnelöfen, und verschiedene spezialisierte Mittelfrequenzöfen.

Das Unternehmen setzt auf technologische Innovation und hat die ISO9001- und EU-CE-Zertifizierungen bestanden. Es besitzt 21 eingetragene Marken, 29 Patente, Und 27 Software-Urheberrechte.

Zahlungsmethoden

TT

Versandarten

Der Elektroofen ist in drei Schichten verpackt: zunächst in Schaumstoffpapier eingewickelt, dann in Plastikfolie eingewickelt, und schließlich in einer Holzkiste verpackt.

Häufig gestellte Fragen (FAQ)

  1. What materials are primarily used in dental furnace corundum mullite saggers?

Primarily used for the high-temperature sintering of zirconia dentures, all-ceramic crowns, bridges, dental ceramics, and other oral restorative materials, meeting the sintering needs of dental laboratories and denture processing centers.

  1. What are the advantages of corundum mullite saggers?

The product features high alumina content, high temperature resistance, Thermoschockbeständigkeit, deformation resistance, wear resistance, and excellent chemical stability. This ensures uniform heating during the sintering process, reduces material contamination, and improves the sintering quality of restorations.

  1. Why choose high-purity materials for sagger making?

High-purity corundum mullite has low impurity content and is less likely to release contaminants at high temperatures, avoiding impacts on the color, strength, and sintering effect of zirconia dentures, thus improving product consistency.

  1. How to extend the service life of saggers?

It is recommended to use slow heating and cooling according to the sintering process, avoiding rapid heating and cooling; regularly cleaning residues from the sagger surface; and avoiding mechanical impact and localized overload can effectively extend the service life.

  1. Does the company support customization of different specifications?

Ja. We can customize corundum mullite saggers of different specifications, shapes, and structures according to customer-provided drawings, dimensions, or dental sintering furnace models to meet the matching needs of different sintering processes and equipment.

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