Description

Aluminum Lithium Silicate CAS NO 12646-13-8 is a high-performance, synthetic inorganic compound valued for its unique combination of thermal stability, low thermal expansion, and chemical inertness. This engineered material is critical for applications requiring durability under extreme thermal cycling and corrosive environments. It serves as a key advanced ceramic and glass-ceramic component for manufacturers in the electronics, aerospace, and specialty glass industries seeking to enhance product performance and longevity.

Application

• Advanced Ceramics & Glass-Ceramics: A primary component in the formulation of low-expansion, high-strength ceramics and glass-ceramics for cooktops, telescope mirrors, and precision optical components.
• Electronic Substrates & Packaging: Used in substrates for semiconductor packaging and multilayer ceramic capacitors (MLCCs) due to its excellent dielectric properties and thermal shock resistance.
• High-Temperature Coatings & Refractories: Acts as a binder or additive in protective coatings, linings, and refractory materials exposed to extreme temperatures and corrosive atmospheres.
• Catalyst Supports & Carriers: Employed as a stable, high-surface-area support material for various industrial catalysts in chemical synthesis processes.
• Specialty Glass & Frits: A key raw material in the production of specialty glasses, enamels, and frits that require specific thermal and chemical properties.
• Composite Materials: Incorporated as a reinforcing filler or functional additive in polymer and metal matrix composites to improve thermal and mechanical characteristics.

Basic Information

Product Name	Aluminum Lithium Silicate
CAS No.	12646-13-8
Molecular Formula	Typically represented as LiAlSiO₄ or related compositions (e.g., β-spodumene, Li₂O·Al₂O₃·nSiO₂)
Molecular Weight	Varies by specific stoichiometry. Contact for details.
Synonyms	Lithium Aluminum Silicate; β-Spodumene; LAS (Lithium Aluminosilicate); Eucryptite (mineral form); Lithium Aluminosilicate Glass-Ceramic; LiAlSiO₄; Spodumene, β-; Lithium Aluminum Oxide Silicate
EINECS	Contact for details.

Quality Control

Our Aluminum Lithium Silicate is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistency in chemical composition, particle size distribution, and phase purity, meeting the exacting standards required for advanced material applications. Certificates of Analysis (COA) detailing key parameters are available upon request to support your quality assurance protocols.

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 (hygroscopic).

Specification

Item	Specification
Appearance	White to off-white powder
Identification (XRD)	Complies (β-Spodumene/LAS phase)
Assay (as LiAlSiO₄)	≥ 98.0 %
Particle Size (D50)	1-10 µm (Customizable)
Loss on Drying (LOD)	≤ 1.0 %
Ignition Loss	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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