Low Iron Cristobalite Flour

High-Purity Cristobalite Flour for Industrial Applications

STYNEN Minerals BV supplies high-quality low iron cristobalite flour for industrial applications where purity, colour consistency and reliable performance are essential. With its high SiO₂ content, exceptional whiteness and controlled particle size distribution, cristobalite flour is widely used as a functional mineral filler in ceramics, coatings, composites, plastics and specialty construction materials.

We help customers identify the most suitable grade for their production processes and performance requirements.

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What is Cristobalite Flour?

Cristobalite flour is a finely ground form of cristobalite, a crystalline polymorph of silicon dioxide (SiO₂). While cristobalite has the same chemical composition as quartz, its crystal structure differs, resulting in unique physical properties that are valued in a variety of industrial applications.

For applications where colour stability and product purity are critical, low iron grades are often preferred.

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Key Properties

Low iron cristobalite flour offers several advantages:

• High SiO₂ content
• Low iron content
• Exceptional whiteness
• Excellent chemical resistance
• Consistent quality
• Good processing characteristics
• Available in different particle size distributions
• Suitable for demanding industrial applications
• Electrically insulating
• Non-combustible
• Temperature resistant

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Applications

Ceramics

Used in sanitary ware, ceramic tiles, technical ceramics and specialty ceramic formulations where controlled material performance is required.

Coatings and Paints

Functions as a high-performance mineral filler, contributing to surface quality, wear resistance and consistent product characteristics.

Plastics and Composites

Used to enhance mechanical properties and improve processing performance in plastic and composite formulations.

Construction Materials

Applied in specialty mortars, casting compounds and other technical building products.

Technical Industrial Applications

Preferred in applications where high purity, consistent quality and reliable performance are required.

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Technical Data

Chemical Analysis

• SiO₂: 99.5%
• Fe₂O₃: 0.009%

Particle Size

• Standard D50: 13 micron
• Other grades available upon request

Product Characteristics

• Hard
• Angular particle shape
• pH 9
• Chemically resistant
• Temperature resistant
• Electrically insulating
• Non-combustible
• Extremely white

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Industries Served

Our low iron cristobalite flour is used in a wide range of industries, including:

• Abrasives
• Building Materials
• Construction Chemicals
• Ceramics
• Chemical Industry
• Consumer Products
• Electronics
• Energy
• Oil & Gas
• Functional Fillers
• Multi-Component Systems
• Adhesives
• Filtration
• Glass
• Metallurgy
• Paints
• Coatings
• Marine Coatings
• Pharmaceuticals
• Plastics
• Refractories
• Rubber
• Sports & Leisure

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Why Choose STYNEN Minerals BV?

STYNEN Minerals combines mineral expertise with practical industry experience.

We offer:

• High-quality products
• Consistent supply
• Technical support and guidance
• Flexible packaging solutions
• Reliable European distribution
• Customer-specific solutions

Our team is committed to helping customers find the optimal mineral solution for their application.

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Frequently Asked Questions

What is the difference between cristobalite flour and quartz flour?

Both materials consist primarily of silicon dioxide (SiO₂). However, they differ in crystal structure, resulting in different physical properties and application possibilities.

Why choose low iron cristobalite flour?

Low iron content helps prevent unwanted discolouration and is particularly important in applications where high whiteness and purity are required.

Which particle sizes are available?

The standard grade has a D50 value of 13 microns. Alternative particle size distributions are available upon request.

Which industries use cristobalite flour?

Cristobalite flour is widely used in ceramics, coatings, plastics, composites, specialty construction materials and a variety of technical industrial applications.

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Synonyms

Cristobalite Powder • Cristobalite Flour • SiO₂ Flour • SiO₂ Powder • High Purity Cristobalite • Low Iron Cristobalite Flour

SEO Title

Low Iron Cristobalite Flour | High Purity SiO₂ Powder | STYNEN Minerals BV

Meta Description

High-purity low iron cristobalite flour with 99.5% SiO₂ and exceptional whiteness. Ideal for ceramics, coatings, composites, plastics and specialty industrial applications.