Import Expansion Volume 350ml/G Expandable Graphite — Buy in wholesale FOB from Supplier in China
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Expansion Volume 350ml/g Expandable Graphite
This expandable graphite delivers a measured expansion volume of 350ml/g when heated, making it suitable for high-performance intumescent formulations in fire-retardant coatings and construction composites. The material is supplied as industrial-grade flakes with consistent particle distribution, ensuring uniform dispersion in resin matrices and predictable expansion behavior under thermal stress. Its carbon-based composition provides inherent thermal stability and low toxicity, aligning with industrial safety standards for fire protection applications.
The graphite is produced from natural flake graphite that has been chemically intercalated with sulfuric acid and oxidizing agents, a standard process for achieving controlled expansion. Typical expansion ranges for commercial grades fall between 200ml/g and 500ml/g, with 350ml/g representing a mid-to-high range suitable for demanding applications. The material is free from heavy metal additives and meets standard environmental handling protocols for industrial use. Particle size distribution typically spans 80 to 200 microns, optimized for coating and extrusion processes.
End-users include manufacturers of fire-resistant building panels, automotive brake linings, and intumescent sealants for electrical enclosures. Buyers typically source this material in bulk quantities of 25kg jumbo bags or 200kg drums for direct incorporation into compound formulations. Trade terms are generally FOB Qingdao or CIF destination, with packaging designed to prevent moisture absorption. MOQ and lead time must be confirmed directly with the supplier, as these vary with order volume and shipping destination.
| Expansion Volume | 350ml/g |
| Material Composition | Intercalated natural graphite flakes, carbon-based |
| Particle Size Range | 80 to 200 microns (typical) |
| Initial Decomposition Temperature | 200°C to 220°C (typical) |
| Carbon Content | 98% minimum (typical for high-grade expandable graphite) |
| Moisture Content | Less than 0.5% (typical) |
| Packaging | 25kg jumbo bags or 200kg drums |
| Bulk Density | 0.4 to 0.6 g/cm³ (typical) |
| Thermal Stability | Stable up to 300°C before expansion (standard) |
| Ash Content | Less than 0.8% (typical) |
Shandong Sungraf Carbons Co., Ltd operates from Qingdao, Shandong, with documented export experience and a harbor-tier trust rating. The supplier’s profile confirms production capability in expandable graphite but does not disclose annual output, workforce size, or client names. Verification signals indicate a registered corporate entity with an address in China, though response rate and average reply time are not available on the listing.
The supplier claims proprietary technology in high-purity graphite processing and references ISO9001 quality control, but no certification documents are provided in the listing. Production is described as focused on chemical intercalation and flake processing, consistent with standard industry methods. The company does not claim certifications beyond ISO9001, nor does it list export volumes, testing labs, or third-party audit results. Buyers should request documentation directly to confirm compliance claims.
This expandable graphite features an expansion volume of 350ml/g, providing high-performance intumescent properties ideal for fire retardant coatings, sealants, and construction materials. Supplied in industrial-grade flake form with consistent particle sizing, it serves manufacturers in the fire protection, automotive, and construction sectors. As a critical additive for export-oriented composite material production, bulk orders are competitively priced and globally shippable in jumbo bags or drums.
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Sourcing Expansion Volume 350ml/g Expandable Graphite from Shandong Sungraf Carbons Co., Ltd - China Import Guide
Before placing an order, verify the exact expansion volume under your specific heating conditions using TGA or DSC testing. Request a sample batch and test its expansion rate, residue ash content, and moisture sensitivity. Confirm that the material matches the advertised 350ml/g specification with third-party lab reports. Do not rely on supplier claims alone - physical verification is essential for fire safety applications.
Confirm the Incoterms offered - FOB Qingdao is standard, but CIF or DAP may be available. Lead time typically ranges from 15 to 30 days after payment, depending on order size and port congestion. Packaging must be moisture-sealed; request documentation on bag integrity and drum lining. Payment terms are usually T/T in advance or L/C at sight; negotiate terms directly with the supplier and avoid open account arrangements without prior experience.
Upon delivery, inspect for signs of moisture damage, clumping, or discoloration. Conduct a small-scale expansion test to verify performance. Request a certificate of analysis for carbon content, ash, and moisture. Retain a sample batch for future quality comparisons. For fire-rated applications, ensure your final product undergoes independent certification testing such as UL94 or EN 13501-1 before market release.
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30 suppliersBuy Expansion Volume 350ml/G in Bulk — Verified Supplier in China
When sourcing Expansion Volume 350ml/G Expandable Graphite for your business, securing the right balance of quality and cost is essential. Shandong Sungraf Carbons Co., Ltd, a verified supplier based in China, offers this product with key specifications including Industrial Grade Expandable Graphite, Carbon Content 90-98%, Expansion Volume 350ml/g, and Mesh 30-80 (Typical), Variable Particle Distribution. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1150/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.
Expansion Volume 350ml/G Specifications, Trade Terms & Pricing
Importing Expansion Volume 350ml/G requires careful attention to shipping logistics, customs compliance, and secure payment terms. Shandong Sungraf Carbons 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 B2B marketplace designed to make cross-border trade secure and efficient.
About Shandong Sungraf Carbons Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Expansion Volume 350ml/G 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 global B2B marketplace. Start your sourcing journey today.
Import Expansion Volume 350ml/G — Shipping, Logistics & Customs
Importing Expansion Volume 350ml/G 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 Expansion Volume 350ml/G
What is the wholesale price of Expansion Volume 350ml/G Expandable Graphite?
The current listed wholesale price for Expansion Volume 350ml/G Expandable Graphite from Shandong Sungraf Carbons Co., Ltd is $1150/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 Shandong Sungraf Carbons Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Expansion Volume 350ml/G?
The supplier, Shandong Sungraf Carbons Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Expansion Volume 350ml/G. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Expansion Volume 350ml/G Expandable Graphite?
For international shipping and customs clearance, Expansion Volume 350ml/G 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 Expansion Volume 350ml/G from China?
To import Expansion Volume 350ml/G from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Shandong Sungraf Carbons Co., Ltd. Ensure you have the necessary import licenses for Graphite products in your destination country.
Is Shandong Sungraf Carbons Co., Ltd a verified supplier?
Yes, Shandong Sungraf Carbons 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 Expansion Volume 350ml/G Expandable Graphite?
The key specifications for Expansion Volume 350ml/G Expandable Graphite supplied by Shandong Sungraf Carbons Co., Ltd include Industrial Grade Expandable Graphite, Carbon Content 90-98%, Expansion Volume 350ml/g, and Mesh 30-80 (Typical), Variable Particle Distribution. 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 Expansion Volume 350ml/G?
Shandong Sungraf Carbons Co., Ltd offers Expansion Volume 350ml/G with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Expansion Volume 350ml/G the most?
Expansion Volume 350ml/G is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Shandong Sungraf Carbons Co., Ltd through our platform.
What certifications does this Expansion Volume 350ml/G supplier hold?
Shandong Sungraf Carbons Co., Ltd maintains international quality certifications. These ensure that the Expansion Volume 350ml/G meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Expansion Volume 350ml/G Expandable Graphite on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shandong Sungraf Carbons 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 Shandong Sungraf Carbons Co., Ltd.
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