Description

Magnesium Aluminate is a high-purity, synthetic inorganic compound belonging to the class of magnesium aluminum oxides. This material is valued for its excellent thermal stability, high melting point, and chemical inertness, making it a critical component in advanced industrial processes. It is primarily utilized in the refractory, ceramic, and catalyst industries where performance under extreme conditions is required.

Application

• Refractory Materials: A key component in the formulation of high-temperature linings for furnaces, kilns, and reactors due to its exceptional thermal shock resistance and stability.
• Advanced Ceramics: Used in the production of structural ceramics, electronic substrates, and wear-resistant components.
• Catalyst & Catalyst Support: Serves as an active catalyst or a stable, high-surface-area support material in various petrochemical and chemical synthesis processes.
• Optical & Functional Coatings: Employed in thin-film applications and coatings that require specific thermal and optical properties.
• Additive for Composites: Acts as a reinforcing filler or property-modifying additive in polymer and metal matrix composites.
• Specialty Glass & Enamels: Used to modify the thermal expansion and chemical durability of glasses and ceramic glazes.

Basic Information

Product Name	Magnesium Aluminate
CAS No.	12068-51-8
Molecular Formula	Al2MgO4
Molecular Weight	142.27 g/mol
Synonyms	Magnesium Aluminum Oxide; Aluminium Magnesium Oxide; Magnesium Aluminate Spinel; Spinel (MgAl2O4); Alumina Magnesia Spinel; MgAl2O4; Aluminium Magnesium Tetraoxide; Magnesium Dialuminum Tetraoxide
EINECS	235-113-2

Quality Control

Our Magnesium Aluminate is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high performance. Production adheres to relevant industrial standards, with critical parameters including phase purity, particle size distribution, and chemical composition rigorously controlled. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and trace element levels is provided with each shipment to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed to minimize exposure to atmospheric moisture and contaminants.

Specification

Item	Specification
Identification (XRD)	Complies (MgAl2O4 Spinel Phase)
Assay (as MgAl2O4)	≥ 99.0 %
Aluminum (as Al2O3)	70.0 - 72.0 %
Magnesium (as MgO)	27.5 - 29.5 %
Particle Size (D50)	1 - 10 µm (or as specified)
Specific Surface Area (BET)	5 - 50 m²/g
Loss on Ignition (LOI)	≤ 1.0 %
Trace Metals (ICP-MS)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.