Import Expandable Graphite Intial Expansion Temperature — Buy in wholesale FOB from Supplier in China
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Expandable Graphite Intial Expansion Temperature
Expandable graphite with an initial expansion temperature of 250°C from Sungraf Material Group Limited is a natural flake graphite intercalated to achieve controlled thermal expansion at higher temperatures than standard grades. This material is designed for applications requiring delayed intumescence, such as high-temperature fireproofing and battery anode coatings. The carbon content is typical for industrial-grade graphite, with no exact percentage disclosed in the source data.
The product is engineered for use in fire-resistant coatings, industrial gaskets, and thermal management systems where precise activation thresholds are critical. Unlike lower-temperature grades that expand at 200°C, this variant remains stable until 250°C, reducing premature expansion during processing. It is commonly used in automotive and electronics manufacturing, where thermal stability under ambient conditions is essential before fire activation.
Bulk quantities are traded in metric tons, with packaging typically in sealed polyethylene-lined bags or fiber drums. Trade terms are not specified in the listing, but FOB Qingdao or CIF destination ports are standard for Chinese exporters. Buyers should confirm the exact expansion profile and thermal lag time with the supplier, as these parameters vary between production batches and directly affect performance in composite materials.
| Initial expansion temperature | 250°C |
| Base material | Natural flake graphite |
| Typical carbon content | Standard range of 90% to 98% for high-grade expandable graphite |
| Expansion volume | Typical range of 150 to 300 ml/g at 250°C |
| Particle size distribution | Typical mesh range of 40 to 80 mesh for uniform dispersion |
| Typical moisture content | Standard below 0.5% for thermal stability |
| Typical ash content | Standard below 1.8% for industrial applications |
| Packaging | 25kg sealed polyethylene-lined bags or 500kg bulk bags |
| Typical bulk density | Standard range of 0.25 to 0.40 g/cm³ |
| Thermal lag time | Typical delay of 5 to 15 seconds from 250°C to full expansion |
Sungraf Material Group Limited is based in Shibei District, Qingdao, Shandong, and is listed with harbor trust tier verification. The supplier is identified as a material exporter focused on graphite-based products, but no details about production capacity, years in operation, or workforce size are provided. The listing does not claim manufacturing capability, suggesting possible trading or re-packaging activity.
The supplier has a 0.00 percent response rate and no recorded response time on the platform, indicating no automated or timely engagement with buyers through the system. Buyers must initiate direct communication to confirm technical details, lead times, and packaging options. No certifications or quality accreditations are mentioned, so third-party testing is strongly advised before bulk purchase.
Expandable graphite with initial expansion temperature of 250 degrees C is a high-performance intumescent material widely used in fire protection coatings, battery anodes, and industrial gaskets. This graphite grade offers controlled thermal expansion suitable for flame retardant compounding and thermal management applications. Ideal for B2B buyers sourcing industrial graphite for export in bulk quantities, with pricing typically quoted per metric ton.
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Sourcing Expandable Graphite Intial Expansion Temperature from Sungraf Material Group Limited - China Import Guide
Verify the initial expansion temperature with a TGA report tied to the batch number, ensuring it is 250°C ±5°C. Request the expansion volume curve between 200°C and 300°C to confirm the material’s behavior under your processing conditions. Do not accept generic certificates without raw data. Confirm the carbon and ash content via elemental analysis, as impurities affect fire performance and thermal conductivity.
Confirm the Incoterms, shipping port, and lead time directly with the supplier, as none are listed. FOB Qingdao is typical for Chinese graphite exports, with lead times of 20 to 30 days. Payment terms are usually T/T in advance or LC at sight. Request container loading photos and seal numbers. Avoid suppliers who cannot provide tracking or shipping documentation for bulk orders.
Upon arrival, inspect for clumping, odor, or discoloration indicating moisture damage. Test a sample in a controlled furnace to measure expansion volume and onset temperature. Retain a 500g sample for at least six months. Request a certificate of analysis for each shipment, including carbon, ash, moisture, and expansion profile. Use third-party inspection if importing for regulated industries like automotive or aerospace.
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30 suppliersBuy Expandable Graphite Intia in Bulk — Verified Supplier in China
When sourcing Expandable Graphite Intial Expansion Temperature 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 Expandable Graphite - High Expansion Grade, Carbon 80% - 99% (varies by grade), and 250°C. 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 3801.30, making it a staple in the Graphite sector with strong demand from importing countries worldwide.
Expandable Graphite Intia Specifications, Trade Terms & Pricing
Importing Expandable Graphite Intia 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 3801.30 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About Sungraf Material Group Limited — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Expandable Graphite Intia 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 import export marketplace. Start your sourcing journey today.
Import Expandable Graphite Intia — Shipping, Logistics & Customs
Importing Expandable Graphite Intia 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 3801.30 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 Intia
What is the wholesale price of Expandable Graphite Intial Expansion Temperature?
The current listed wholesale price for Expandable Graphite Intial Expansion Temperature 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.
What is the Minimum Order Quantity (MOQ) for Expandable Graphite Intia?
The supplier, Sungraf Material Group Limited, has set a Minimum Order Quantity (MOQ) of 1 Bags for Expandable Graphite Intia. 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 Intial Expansion Temperature?
For international shipping and customs clearance, Expandable Graphite Intial Expansion Temperature is classified under HS Code 3801.30. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Expandable Graphite Intia from China?
To import Expandable Graphite Intia 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.
Is Sungraf Material Group Limited a verified supplier?
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.
What are the key specifications of Expandable Graphite Intial Expansion Temperature?
The key specifications for Expandable Graphite Intial Expansion Temperature supplied by Sungraf Material Group Limited include Expandable Graphite - High Expansion Grade, Carbon 80% - 99% (varies by grade), and 250°C. 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 Intia?
Sungraf Material Group Limited offers Expandable Graphite Intia 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 Intia the most?
Expandable Graphite Intia is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Sungraf Material Group Limited through our platform.
What certifications does this Expandable Graphite Intia supplier hold?
Sungraf Material Group Limited maintains international quality certifications. These ensure that the Expandable Graphite Intia meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Expandable Graphite Intial Expansion Temperature on EximNext?
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.
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 Sungraf Material Group Limited.
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