Flux Agent · Aluminum Industry

Synthetic Cryolite

High-purity synthetic cryolite for aluminum electrolysis baths, flux applications, grinding wheels and specialty industry uses.

Product Overview

Synthetic Cryolite for Industrial Applications

Synthetic cryolite (Na₃AlF₆) is a complex fluoride salt that appears as a white, gray, or slightly yellowish powder or crystalline material depending on purity. It is produced synthetically to precise specifications, making it far more consistent than natural cryolite.

AL-LINX supplies synthetic cryolite primarily for the aluminum smelting industry, where it acts as the essential fluxing agent in Hall-Héroult electrolytic cells. Strict control of the sodium-aluminum molecular ratio, impurity content and moisture is maintained throughout production.

Na₃AlF₆Chemical formula
CustomPurity levels
25 kgStd. bag / 1T bags
Synthetic Cryolite — AL-LINX
Technical Specifications

Cryolite — Properties & Parameters

Cryolite specifications table
Appearance White / off-white powder or crystalline particles
Chemical Formula Na₃AlF₆ (Sodium hexafluoroaluminate)
Molecular Weight 209.94 g/mol
Molecular Ratio Controlled to customer specification
Impurity Content Strictly controlled per grade
Packaging 25 kg bags, 1-ton big bags, or custom
Aluminum Industry Benefits

Why Cryolite Is Essential for Aluminum Smelting

Stable Electrolysis

Maintains stable and consistent electrolysis temperatures, minimizing fluctuations that can damage cell linings and reduce efficiency.

Extended Cell Life

Even cathode sodium absorption extends the service life of electrolytic cells, reducing maintenance costs and downtime.

Reduced Volatilization

Minimized volatilization losses improve workplace safety and environmental conditions in the smelting facility.

Lower Production Costs

Significant savings in sodium fluoride and soda ash consumption directly lower the cost per ton of aluminum produced.

Applications

Beyond Aluminum: Multiple Industrial Uses

Ferroalloys & Steel

Used as a flux agent in ferroalloy production and as a steel deoxidizer.

Abrasives & Grinding

Additive in wear-resistant grinding wheels — enhances cutting force and extends service life.

Glass & Coatings

Applied in anti-reflective glass coatings and specialty optical materials.

Enamel & Ceramics

Acts as an emulsifier in enamel and as a filler in the ceramic industry.

Welding Consumables

Used as a flux agent in welding materials and electrode coatings.

Pesticide Industry

Applicable in certain agricultural and pesticide formulations.

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