Expanded Graphite
Article Contents
- 1. High-Performance Expanded Graphite Solutions
- 2. Are You Facing These Critical Supply Chain Challenges?
- 3. How Glory Star's Expanded Graphite Solves Your Industrial Problems
- 4. Trusted by Global Industry Leaders
- 5. Expanded Graphite Procurement FAQs
- 6. What Our Customers Say
- 7. Request Your Free Sample & Competitive Quote
High-Performance Expanded Graphite for Industry: Superior Sealing & Thermal Management Solutions
Engineered for Purchasing Managers & Technical Directors battling high costs, inconsistent quality, and complex logistics in sourcing advanced sealing and conductive materials. Achieve 30% cost reduction and 99.5% material consistency.
Get Your Free Technical Sample & Quote in 24hAre You Overpaying for Underperforming Expanded Graphite? 3 Critical Pain Points in Your Supply Chain
When sourcing expanded graphite for gaskets, thermal interface materials, or flame retardant composites, global buyers often hit these roadblocks:
1. Unpredictable Costs & Hidden Fees
Quotes that seem low initially inflate with high MOQs, volatile shipping fees from Asia, and unexpected customs duties. Your planned 15% cost saving evaporates, hurting your project's ROI.
2. Inconsistent Quality & Technical Specs
Batch-to-batch variance in expansion volume, particle size, and purity leads to production line stoppages, seal failures, and product rejects. A single poor-quality shipment can cost you tens of thousands in downtime.
3. Slow, Inflexible Logistics & Support
Lead times stretching to 60+ days, poor communication, and no OEM/ODM support stall your NPD cycles. When you need a custom formulation or rapid prototype, your supplier can't keep up.
Sound familiar? The solution lies in a supplier that masters both quality manufacturing and streamlined global trade.
Glory Star's Engineered Expanded Graphite: Precision, Performance, and Partnership
As the export arm of a major ISO 9001 certified factory producing over 100,000 metric tons annually, Glory Star Group delivers not just a material, but a reliable supply chain component.
Core Advantages of Sourcing With Us
Powerful Factory Backing & Scale
Direct access to one of North China's largest mineral processing plants ensures stable pricing, massive capacity, and vertical integration from raw flake graphite.
Rigorous Quality Assurance
Every batch is tested for expansion ratio, sulfur content, and particle distribution. We provide full mill test certificates to guarantee material performance matches your specs.
OEM/ODM & Customization Expertise
Need a specific density, particle shape, or pre-formed sheet? Our technical team co-engineers solutions. We support custom blending, sizing, and packaging.
High-Speed Global Logistics
Strategic location near major ports and long-term freight partnerships enable reliable FOB/CIF delivery to the US, EU, and worldwide within 15-30 days.
Technical Specifications: Expanded Graphite (Typical Parameters)
| Parameter | Standard Grade | High-Expansion Grade | High-Purity Grade | Test Method |
|---|---|---|---|---|
| Expansion Volume (ml/g) | 200 - 300 | 300 - 500 | 150 - 250 | ASTM D8092 |
| Carbon Content (%) | ≥ 99.0 | ≥ 98.5 | ≥ 99.9 | High-Temperature Combustion |
| Sulfur Content (ppm) | < 1000 | < 1200 | < 500 | ICP-OES |
| Particle Size (Mesh) | 50, 80, 100, 200 | 50, 80, 100 | 80, 100, 200, 325 | Laser Diffraction |
| Bulk Density (g/L) | 5 - 15 | 3 - 10 | 8 - 20 | ASTM B417 |
| Moisture Content (%) | < 0.5 | < 0.5 | < 0.2 | Karl Fischer |
Expandable Graphite expandable graphite expanded graphite powder
Note: All parameters are customizable based on application requirements.
Key Application Scenarios
- Gaskets & Sealing: High-temperature, corrosive environment sealing for automotive, chemical, and power generation. Replaces asbestos and inferior compressed fiber.
- Thermal Interface Materials (TIMs): Filler for thermally conductive gap pads, greases, and tapes in electronics, LED lighting, and battery packs.
- Flame Retardant Additives: Intumescent filler in polymers, coatings, and construction materials for fire protection.
- Flexible Graphite Sheets/FOils: Raw material for manufacturing rolled graphite sheets used in fuel cells and heat spreaders.
Have a specific application? Contact our engineers for a compatibility review.
Trusted by Global Manufacturers & Exporters
Our commitment to consistent quality and reliable service has made us a preferred partner for industry leaders.
Our Compliance & Quality Certifications
We operate a fully certified system to meet international market standards:
- ISO 9001:2015: Certified Quality Management System ensuring process control.
- RoHS & REACH: Materials comply with EU restrictions on hazardous substances.
- Material Test Certificates (MTC): Provided with every shipment for traceability.
- Our factory processes also align with standards for industrial applications, ensuring material safety and performance.
Frequently Asked Questions: Sourcing Expanded Graphite
Verified Feedback from Our Global Customers
"As an importer supplying the US automotive aftermarket, I've tried 4 different expanded graphite suppliers from Asia. Glory Star is the only one that consistently hits the specs on the datasheet. Their communication is in clear English, and they handle all the export documentation seamlessly. My logistics headaches are gone."
"We needed a specific high-purity, fine-mesh grade for a new thermal paste formulation. Not only did Glory Star's R&D team nail the sample on the second try, but they also suggested a process adjustment that saved us 8% on material usage. Their technical insight is as valuable as the product itself."
"Price was important, but not at the expense of reliability. We had a terrible experience with another supplier where quality varied wildly. With Glory Star, the material performance is identical every single time. It has made our production planning and quality control so much easier. They are a true strategic supplier."
Ready to Stabilize Your Supply Chain with Premium Expanded Graphite?
Limited-Time Offer for New Clients: Place your first order above 5 MT within the next 30 days and receive a 5% discount + prioritized shipping.
We mitigate your risk: Start with a free, no-obligation sample to verify quality in your lab.
Glory Star Group | Tel: +86-15102245195 / +86-13323215153 | Email: vicky@glorystarexport.com
Add: 368 Youyi North Street, Shijiazhuang, Hebei, China
Your inquiry will be handled by our dedicated international trade team. We respect your privacy and will not share your information.
Engineered for Purchasing Managers & Technical Directors battling high costs, inconsistent quality, and complex logistics in sourcing advanced sealing and conductive materials. Achieve 30% cost reduction and 99.5% material consistency. When sourcing expanded graphite
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35 Years ExperienceWith 35 years of experience, we deliver unmatched expertise and quality in every project. Our deep industry knowledge ensures reliable, innovative solutions that eet your needs. -
Professional ServiceExperience excellence with our professional service! We deliver top-quality solutions, tailored to your needs, ensuring efficiency, reliability, and customer satisfaction every time. -
Powerful Technology SupportEmpowered by cutting-edge technology, we provide strong support for your business needs. Our advanced solutions drive innovation, efficiency, and growth, ensuring you stay ahead of the competition. -
Strict Quality Control ProcessOur strict quality control process ensures every product meets the highest standards. From raw materials to final inspection, we prioritize precision and reliability, delivering exceptional quality and consistency.
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