Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›

Sungraf Material Group Limited supplies 9550350 expandable graphite powder, a chemically treated natural graphite designed for passive fire protection. When exposed to high temperatures, the material expands up to 300 times its original volume, forming a protective char layer that insulates substrates and retards flame spread. This property makes it a critical component in firestop sealants, fire-rated coatings, and industrial fireproofing systems.
The powder is derived from natural graphite flakes, which undergo chemical intercalation to enable expansion. Particle size typically ranges from 30 to 80 mesh, with a carbon content exceeding 90%. These specifications ensure consistent performance in high-temperature applications, where the material’s expansion rate and thermal stability are paramount. The product is sourced from China, a leading producer of industrial-grade graphite.
Industries such as construction, oil and gas, and manufacturing rely on expandable graphite for fire safety applications. The powder is used in intumescent coatings for steel structures, cable wraps, and sealants for penetrations in fire-rated walls. Buyers should confirm the supplier’s ability to provide material safety data sheets (MSDS) and third-party test reports for expansion volume, particle distribution, and carbon content.
| Base Material | Natural graphite flakes |
| Treatment Type | Chemically intercalated (expandable) |
| Expansion Volume | Up to 300x (at 1000°C) |
| Particle Size | 30 - 80 mesh (typical) |
| Carbon Content | >90% (typical) |
| Ash Content | <5% (standard for high-purity graphite) |
| Moisture Content | <0.5% (typical for dried graphite) |
| pH Value | 5 - 7 (neutral, typical for treated graphite) |
| Density | 2.1 - 2.3 g/cm³ (typical for natural graphite) |
| Onset Expansion Temperature | 180 - 220°C (typical range) |
Sungraf Material Group Limited is based in Shandong, China, with its registered address at No. 328 Dunhua Road, Shibei District. The company specializes in industrial minerals, with expandable graphite as one of its core products. Its focus on fire safety materials positions it as a supplier for global markets requiring passive fire protection solutions.
The supplier’s trust tier is categorized as harbor, indicating a baseline verification level without additional performance metrics. The profile does not provide details on response rates, production capacity, or certifications, so buyers should directly confirm these aspects. Sungraf Material Group Limited’s product portfolio includes graphite-based materials tailored for high-temperature applications.
Expandable graphite powder is a high-performance intumescent material widely used in firestop sealants, fire-rated coatings, and passive fire protection systems. When exposed to heat, it expands to form a protective char layer that retards flame spread. Key specifications include expansion volume (up to 300x), particle size typically 30-80 mesh, and high carbon content above 90%. Essential for global trade in industrial minerals and fire safety materials, sourced primarily from China, India, and Brazil.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Before placing an order, verify the supplier’s ability to provide test reports for expansion volume, carbon content, and particle size distribution. These specifications are critical for ensuring the graphite’s performance in fireproofing applications. Request samples for independent testing to confirm compliance with your project’s requirements.
Discuss logistics details, including the port of shipment, packaging options, and Incoterms such as FOB Qingdao or CIF to your destination. Lead times may vary based on order volume and production schedules, so confirm these in advance. Payment terms should be negotiated based on the supplier’s trust signals and your risk tolerance.
Quality checks should include testing for expansion volume at 1000°C, as well as visual and sieve analysis for particle size consistency. For fire safety applications, consider third-party certification to validate performance in real-world conditions. Ensure all documentation, including MSDS and COA, is provided to facilitate customs clearance and compliance with local regulations.
Active buying requirements from importers looking for Similar products
Compare alternatives, find similar products and connect with verified suppliers
When sourcing 9550350 Expandable Graphite Powder for your business, securing the right balance of quality and cost is essential. Sungraf Material Group Limited, a verified supplier based in China, offers this product with key specifications including Industrial Grade, Intumescent/Firestop Type, Carbon 85-99%, expandable agent (sulfuric acid/hydrogen peroxide treated), and Particle size 30-80 mesh (0.18-0.60 mm), flake morphology. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $2500/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 3801.90, making it a staple in the Graphite sector with strong demand from importing countries worldwide.
Importing 9550350 Expandable Graphi requires careful attention to shipping logistics, customs compliance, and secure payment terms. Sungraf Material Group Limited offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 3801.90 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this 9550350 Expandable Graphi has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Graphite category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Importing 9550350 Expandable Graphi requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 3801.90 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for 9550350 Expandable Graphite Powder from Sungraf Material Group Limited is $2500/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Sungraf Material Group Limited through EximNext.
The supplier, Sungraf Material Group Limited, has set a Minimum Order Quantity (MOQ) of 1 Bags for 9550350 Expandable Graphi. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, 9550350 Expandable Graphite Powder is classified under HS Code 3801.90. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import 9550350 Expandable Graphi from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Sungraf Material Group Limited. Ensure you have the necessary import licenses for Graphite products in your destination country.
Yes, Sungraf Material Group Limited is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
The key specifications for 9550350 Expandable Graphite Powder supplied by Sungraf Material Group Limited include Industrial Grade, Intumescent/Firestop Type, Carbon 85-99%, expandable agent (sulfuric acid/hydrogen peroxide treated), and Particle size 30-80 mesh (0.18-0.60 mm), flake morphology. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Sungraf Material Group Limited offers 9550350 Expandable Graphi with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
9550350 Expandable Graphi is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Sungraf Material Group Limited through our platform.
Sungraf Material Group Limited maintains international quality certifications. These ensure that the 9550350 Expandable Graphi meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Sungraf Material Group Limited will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Sungraf Material Group Limited.
Discover more products in Graphite from verified suppliers worldwide.