Spinel (SP-30-G)
70% Al2O3 30% MgO
In recent years, GTS Keramik research has systematically and purposefully advanced its crucible program. The focus has been on the development of both dense laboratory crucibles and porous, coarse-grained crucible types specifically tailored to the requirements of industrial melting processes. These developments are the result of close collaboration with industrial users and research institutions and reflect a growing interest in customized ceramic materials for high-temperature applications.
Particular attention has been given to the optimization of spinel ceramics, especially those based on magnesium aluminate (MgAl₂O₄). This MgAl₂O₄ ceramic exhibits excellent thermal and chemical resistance to highly aggressive media, particularly alkaline melts. Due to these properties, the material is considered a preferred choice in demanding process environments. In addition to its inherent corrosion resistance, sintered spinel also provides high mechanical stability at elevated temperatures, making it suitable for a wide range of high-temperature applications.
In an interdisciplinary cooperation with the Fraunhofer Institute for Ceramic Technologies and Systems IKTS in Hermsdorf, large-format sintered spinel crucibles have been developed for use in battery and energy storage research. These crucibles are currently undergoing practical testing and are expected to contribute to increased efficiency in the synthesis and processing of battery precursor materials. Alongside the chemical purity of the crucible material, particular emphasis is placed on its thermomechanical resilience.
Spinel ceramics are also increasingly used in the metallurgical industry, especially due to their excellent resistance to slags. When melting light metals such as aluminum and in various areas of the glass industry, the crucibles demonstrate high performance.
Overall, developments in GTS research show that spinel ceramic materials can significantly expand their range of applications and performance potential through targeted material and structural modifications. The close integration of fundamental research and industrial application forms the foundation for future innovations in this technologically critical field.
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Crucibles Conical - Squat Shape - Spinel - SP-30-G - CCB (8)
CCB
Crucibles Conical
Squat Shape
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Crucibles Conical - Medium Shape - Spinel - SP-30-G - CCM (10)
CCM
Crucibles Conical
Medium Shape
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Crucibles Conical - High Shape - Spinel - SP-30-G - CCH (10)
CCH
Crucibles Conical
High Shape
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Crucibles Conical - Ultra High Shape - Spinel - SP-30-G - CCU (12)
CCU
Crucibles Conical
Ultra High Shape
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Crucibles Cylindrical Shape - Spinel - SP-30-G - CCY (17)
CCY
Crucibles Cylindrical Shape
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Crucibles Tubular - Squat Shape - Spinel - SP-30-G - CTB (14)
CTB
Crucibles Tubular
Squat Shape
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Crucibles Tubular - High Shape - Spinel - SP-30-G - CTH (10)
CTH
Crucibles Tubular
High Shape
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Square Bowls - Spinel - SP-30-G - BCR (14)
BCR
Square Bowls
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Weighing Boats - Spinel - SP-30-G - NAC (8)
NAC
Weighing Boats
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Crucibles conical shape - Spinel - SP-30-G - K (10)
K
Crucibles conical shape
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Laboratory Crucibles Cylindrical Shape - Spinel - SP-30-G - Z (31)
Z
Laboratory Crucibles Cylindrical Shape
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Round Ceramic Bowls - Spinel - SP-30-G (12)
Round Ceramic Bowls
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Lid - Spinel - SP-30-G - D (10)
D
Lid
SPECIAL PROPERTIES
- good thermal and chemical resistance to aggressive alkalis
- high thermal conductivity
- comparatively good thermal shock resistance
- Good to very good chemical resistance to: lead, manganese, hydrochloric acid (30%), silver
Directional Analysis
Cast Spinel (dense)
Quality SP-30‑G
Quality SP-30‑G