Low Sulfur Black GPC Graphite Metallurgical Carbon Steelmaking Additive. High Fixed Carbon Content: Features 84-88% fixed carbon for superior performance in metallurgical applications. Low Sulfur & Ash: Contains only 0.35% sulfur and 7-10% ash, ideal for high-purity steelmaking. Versatile Industrial Use: Replaces metallurgical coke in blast furnaces, ferroalloy, and chemical industries. Customized Packaging: Available in standard export jumbo bags or customized shipping marks per request. OEM & ODM Services: Offers full customization, minor customization, and flexible options from designs. Strict Quality Control: Includes pre-production samples, final inspection, and dedicated laboratory testing. Fast Lead Time: Peak and off-peak season delivery guaranteed within 15 working days. Free Sample Availability: Samples provided free of charge; customer only covers shipping costs.