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Expandable Graphite

CarboFlameX®

For Gaskets, Foils, Seals & Thermal Management

High-Performance • Sustainable • Low Impurities

Designed for Graphite Foils & Sheets

The right Expandable Graphite for your application

PranaGraf is the largest expandable graphite producer ex-China with >2000 TPA production capacity in India. Our range of CarboflameX products for foils across applications like gaskets, sealing, thermal management, electronics etc., are designed to meet the various requirements for each specific application. These expandable graphite products are expanded and rolled into sheets under controlled environment owing to their adhesive nature post expansion.

Smooth worm formation

Efficient rolling and calendaring

Uniform density and compressibility

Compatibility with metal inserts and laminates

Every flake is processed to ensure a balanced intercalation chemistry, reliable expansion characteristics, and ease of integration in your production line with high efficiency and low loss.

CarboFlameX Expandable Graphite - Engineered for Gaskets

CarboFlameX® Engineered Expandable Graphite

Performance Meets Process Simplicity

From construction boards and gaskets to insulation foams and fire-resistant coatings, CarboFlameX® ensures reliable fire safety while meeting global environmental and regulatory standards.

Excellent Compression Recovery

Maintains sealing integrity under varying pressure conditions.

Thermal Resistance

Withstands temperatures >3000°C in inert atmosphere for extreme conditions.

Chemical Inertness

Excellent resistance in acids, oils, steam and various chemicals.

Engineered for Specific Applications

CarboFlameX® grades are widely used in various industrial applications requiring high-performance sealing and thermal management.

Flexible Graphite Foils & Tapes

High-performance sealing solutions for various industrial applications.

Industrial Gasket Sheets

For steam, chemical, and exhaust systems requiring reliable sealing.

Sealing Systems for Heat Exchangers

High-temperature resistant sealing for thermal management systems.

Heat Dissipation Sheets & Components

Protective barriers for fire safety and thermal management.

Metal-Inserted & Reinforced Graphite Composites

Enhanced composites for demanding industrial applications.

Electrodes

High Temperature, Heat & Current Transfer.

Versatile Applications

CarboFlameX® is widely used across industries demanding high-performance sealing and thermal management solutions.

Industrial Equipment

Heat shields, sliding elements, bushings, sensors, and conductive components.

Automotive & Mobility

Exhaust systems, engine gaskets, and thermal management components.

Construction & Infrastructure

Fire-resistant panels, insulation materials, and sealing systems.

Why Choose PranaGraf Expandable Graphite?

Consistently Superior Performance

PranaGraf understands the requirement of this niche material in respective applications and offers various custom products.

PranaGraf Process Flow - From Natural Graphite to Sheets and Foils

Our Process: From Natural Graphite to High-Performance Sheets & Foils

Consistent Low Expansion

Low Sulphur & No Sulphur Grades

Low Ash, High Purity

Uniform Flake Quality

Better Compressability

Better Compatibility with Reinforcements

Improved Surface Finish in Foils

Efficient Grades for High Yields

Low Temperature Expansion

Efficient Rolling & Calendering

Low Oxidation

Consistent Worm Formation

High Temperature Resistance

Chemical Inertness

Excellent Compression Recovery

Halogen-Free & Sustainable

All features are precisely controlled to ensure optimal performance in your specific application.

Did you know?

CarboFlameX® isn't just a flame retardant — its performance in gasket and sealing applications has made it a global choice for manufacturers moving away from asbestos and polymeric seals, especially under extreme temperature and chemical stress.

Reliable, Sustainable & Compliant

Apart from the qualitative advantages and customisations, PranaGraf offers various other advantages as a manufacturer:

100% Ex-China Supply Chain

All raw materials are sourced from non-Chinese origin and goods are manufactured in India.

Chrome-Free, Zero Waste & Discharge

Our process is 100% waste free, highly sustainable, manufactured without chrome-based processes for safer and better quality products, suitable for foils & sheets.

REACH Certified, ISO & RoHS Compliant

Meeting global quality and safety standards and certified for global supplies.

Experience & Expertise

Our team has decades of experience in this product and its applications, handholding our customers.

Frequently Asked Questions

Find answers to the most frequently asked questions about our CarboFlameX® for Gaskets.

CarboFlameX® is PranaGraf's proprietary halogen-free expandable graphite, engineered specifically for gasket and sheet fabrication. It provides excellent thermal resistance, chemical inertness, and compression recovery for demanding industrial applications.

CarboFlameX® is specifically engineered with consistent expansion behavior, smooth worm formation, and compatibility with metal inserts and laminates. These properties make it ideal for producing high-performance gaskets and sealing sheets with reliable performance under extreme conditions.

CarboFlameX® can withstand temperatures greater than 3000°C in inert atmosphere, making it suitable for the most extreme industrial conditions including high-temperature sealing applications.

Yes. CarboFlameX® is REACH & RoHS compliant, halogen-free, chrome-free, and has low VOC emissions. It represents a sustainable alternative to conventional flame retardants and sealing materials.

Absolutely. Our in-house processing allows full flexibility to adjust expansion volume & rate, flake size distribution, onset temperature of expansion, and surface modifications including oil-treated and resin-treated grades.

CarboFlameX® is widely used in industrial equipment, automotive & mobility, construction & infrastructure, and any application requiring high-performance sealing under extreme temperature and chemical conditions.

Have more questions? Our technical experts are ready to assist you.

Contact Our Experts

Technical Inquiry

Let's Discuss Your Application Requirements

Every successful material solution begins with understanding your specific requirements. Tell us about your application, performance needs, and technical specifications.

Our technical team will review your inquiry and provide tailored recommendations within 24 hours.

Technical consultation

Material recommendations

Sample availability

Technical data sheets

Send Technical Inquiry

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PranaGraf provides Ex-China advanced graphite solutions, including Natural Flake Graphite, Expandable Graphite, High Purity Graphite, Synthetic Graphite, Spherical Graphite, Graphite Sheets, and specialty masterbatches and dispersions for global markets.

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