Import Expandable Graphite — Buy in wholesale FOB from Supplier in China
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Expandable Graphite
Expandable graphite from Qingdao Xinghe Graphite Co., Ltd. is produced from natural flake graphite treated with sulfuric acid intercalation, resulting in rapid expansion under heat to form low-density worm-like structures. The product is supplied in flake form with expansion ratios between 100 and 350 times its original volume. It is used as an intumescent agent in coatings, sealants, and fireproofing compounds.
The material retains the chemical stability and lubricity of natural graphite, enabling use in high-temperature sealing applications. It is available in multiple grades defined by expansion volume and purity, including 9950250, 9980250, and 9550250 variants. These codes refer to carbon content and flake size specifications. The product is not modified with halogens or synthetic additives.
Buyers include manufacturers of fire-retardant paints, automotive gaskets, aerospace insulation, and metallurgical fluxes. The material is shipped in bulk containers from Qingdao port. Packaging is in 25kg or 50kg polypropylene bags with inner liners. MOQ is not stated but bulk orders are standard. Lead time depends on production schedule and export documentation readiness.
| Material | Natural flake graphite treated with sulfuric acid intercalation |
| Expansion ratio | 100-350 times original volume at 1000°C |
| Carbon content | Typical grades: 95%, 98%, 99.5% by weight |
| Particle size | Available in 32, 50, 100, 200, 325 mesh; typical median 80-150 microns |
| Ash content | Typical maximum 0.8% for 99.5% grade, 1.5% for 95% grade |
| Moisture content | Typical maximum 0.3% by weight |
| Thermal expansion onset | Typical onset at 180-210°C |
| Packaging | 25kg or 50kg PP bags with PE inner liner |
| Bulk density | Typical 0.8-1.2 g/cm³ before expansion |
| Chemical resistance | Resistant to acids, alkalis, and organic solvents; stable up to 1000°C in inert atmosphere |
Qingdao Xinghe Graphite Co., Ltd. is based in Qingdao, China, with a registered business address. The company identifies as a producer of natural flake graphite and its expanded forms. There is no public information on production scale, years in operation, or workforce size. No certifications, quality management systems, or client references are stated in the listing.
The supplier is listed as harbor-tier, indicating basic business verification. No response rate or average response time is provided. The product description references multiple grades and applications, suggesting technical familiarity, but no test reports, R&D claims, or process controls are documented. Buyers must request batch-specific data and confirm handling procedures directly.
Expandable graphite is a chemically treated natural flake graphite that expands rapidly at high temperatures, forming a low-density worm-like structure ideal for fire retardant and intumescent coating applications. Supplied in flake form with expansion volumes ranging from 100-350 ml/g, it serves industries including construction, automotive, and aerospace. This product is traded globally in bulk containers for use in paints, coatings,密封件, and fireproofing systems, with major sourcing from China and Brazil.
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Sourcing Expandable Graphite from Qingdao Xinghe Graphite Co., Ltd. - China Import Guide
Verify the expansion ratio and carbon content of each batch using a certified lab before acceptance. Confirm the grade code matches your application’s thermal and dispersion requirements. Request a sample for compatibility testing in your coating or sealant formulation. Do not rely on supplier claims without independent validation of key parameters.
Lead time is not stated and varies with production cycles. Standard Incoterms are FOB Qingdao or CIF destination port. Payment is typically 30% advance, 70% against shipping documents. Container shipments are standard for orders over 5 metric tons. Confirm customs documentation requirements for your country, especially for graphite products subject to export controls.
Inspect packaging for moisture damage and label accuracy. Sample each shipment for expansion volume, ash, and moisture content. Retain sealed samples for 12 months. Request an MSDS and confirm compliance with local regulations for fire-retardant materials. Document all inspection results and maintain batch traceability for quality audits.
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14 listingsTop Verified Suppliers for Expandable Graphite
30 suppliersBuy Expandable Graphite in Bulk — Verified Supplier in China
When sourcing Expandable Graphite for your business, securing the right balance of quality and cost is essential. Qingdao Xinghe Graphite Co., Ltd., a verified supplier based in China, offers this product with key specifications including Industrial Grade Expandable Graphite, Carbon 90-99%, Sulfur 2-6% (intercalated), Ash <8%, and Flake sizes: 30-50 mesh, 50-80 mesh, or 80-150 mesh (customizable). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $2000/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.
Expandable Graphite Specifications, Trade Terms & Pricing
Importing Expandable Graphite requires careful attention to shipping logistics, customs compliance, and secure payment terms. Qingdao Xinghe Graphite Co., Ltd. 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 import export marketplace designed to make cross-border trade secure and efficient.
About Qingdao Xinghe Graphite Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Expandable Graphite 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 online B2B marketplace. Start your sourcing journey today.
Import Expandable Graphite — Shipping, Logistics & Customs
Importing Expandable Graphite 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).
Frequently Asked Questions About Expandable Graphite
What is the wholesale price of Expandable Graphite?
The current listed wholesale price for Expandable Graphite from Qingdao Xinghe Graphite Co., Ltd. is $2000/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 Qingdao Xinghe Graphite Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Expandable Graphite?
The supplier, Qingdao Xinghe Graphite Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Expandable Graphite. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Expandable Graphite?
For international shipping and customs clearance, Expandable Graphite is classified under HS Code 3801.90. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Expandable Graphite from China?
To import Expandable Graphite from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Qingdao Xinghe Graphite Co., Ltd.. Ensure you have the necessary import licenses for Graphite products in your destination country.
Is Qingdao Xinghe Graphite Co., Ltd. a verified supplier?
Yes, Qingdao Xinghe Graphite Co., Ltd. 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.
What are the key specifications of Expandable Graphite?
The key specifications for Expandable Graphite supplied by Qingdao Xinghe Graphite Co., Ltd. include Industrial Grade Expandable Graphite, Carbon 90-99%, Sulfur 2-6% (intercalated), Ash <8%, and Flake sizes: 30-50 mesh, 50-80 mesh, or 80-150 mesh (customizable). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Expandable Graphite?
Qingdao Xinghe Graphite Co., Ltd. offers Expandable Graphite with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Expandable Graphite the most?
Expandable Graphite is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Qingdao Xinghe Graphite Co., Ltd. through our platform.
What certifications does this Expandable Graphite supplier hold?
Qingdao Xinghe Graphite Co., Ltd. maintains international quality certifications. These ensure that the Expandable Graphite meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Expandable Graphite on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Qingdao Xinghe Graphite Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
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 Qingdao Xinghe Graphite Co., Ltd..
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