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When sourcing artificial graphite, you must prioritize Fixed Carbon content (typically 98% to 99.9%), Sulfur content (ideally <0.05%), and Ash content. For battery applications, focus on particle size distribution (D50) and tap density. For metallurgical use as a carbon raiser, the nitrogen content and absorption rate are critical to prevent porosity in steel casting.
The price is heavily influenced by the graphitization temperature (usually 2500°C to 3000°C) and the raw material used, such as needle coke or petroleum coke. Higher temperatures result in better crystallinity and electrical conductivity, but increase energy costs. You should request the graphitization degree report to ensure the product meets your specific industrial requirements.
Ensure the supplier adheres to ISO 9001:2015 for quality management. For international trade, verify the Material Safety Data Sheet (MSDS) and compliance with REACH regulations if exporting to Europe. If the graphite is used in specialized lubricants or coatings, check for RoHS compliance to ensure the absence of heavy metals.
High-purity synthetic graphite is essential for Lithium-ion battery anodes, EDM (Electrical Discharge Machining) electrodes, and semiconductor crucibles. In the refractory industry, it is used for carbon bricks and continuous casting powders due to its excellent thermal shock resistance and chemical inertness.
Always mandate a Pre-Shipment Inspection (PSI) by a third party like SGS or Intertek. Request composite sampling from different layers of the container to ensure the carbon purity and moisture levels are consistent throughout the entire batch, rather than just the top bags.
Buyers must stay updated on export licensing requirements. As of late 2023, certain high-purity and high-strength synthetic graphite items require dual-use item export licenses from China. Ensure your supplier on Made-in-China.com has the necessary permits to avoid customs seizures or delays.
For bulk orders exceeding 20 tons, FCL (Full Container Load) in 20ft containers is standard. Use Jumbo Bags (1mt or 1.2mt) with inner liners to prevent moisture absorption and dust leakage. Negotiate FOB (Free On Board) terms to maintain better control over ocean freight costs and insurance.
Synthetic graphite prices are tied to petroleum coke market trends and electricity rates. It is advisable to sign long-term framework agreements with price adjustment formulas or seek volume-based discounts (typically 5-10% for orders over 100 tons) to hedge against sudden market spikes.
Utilize the Secured Trading services on Made-in-China.com to protect your payment. Never transfer full payments upfront; a standard 30% deposit and 70% against the Bill of Lading (B/L) is the industry norm for established B2B relationships.
