Cylindrical Graphite Block for Vacuum Furnaces and Sintering Applications. High Purity Material: Crafted from premium low ash petroleum coke and needle coke with 99% purity. Superior Conductivity: Boasts low resistivity and excellent electrical conductivity for extreme heat environments. Customizable Dimensions: Size is customizable with diameter ranging from 75 to 800mm and length from 1000 to 3000mm. High Production Capacity: Annual output capacity reaches 60,000 tons with timely delivery guaranteed. ISO 9001 Certified: Factory holds ISO 9001:2015 certification ensuring strict quality control standards. Comprehensive Quality Control: Pre-production samples and final inspections conducted before every shipment. Flexible Customization: Offers full customization, minor customization, and customization from samples or designs. Global Export Experience: Exporting since 2008 to North America, Europe, Asia, and Africa with 20+ years experience.