ï?? Name: Expandable Graphite ï?? Specifications: Fixed carbon: 85%-99.9% Particle Size: +32mesh,+50mesh,+100mesh,+150mesh Expansion Rate: 60ml/g-400ml/g PH: 3-8 Sungraf is located in Qingdao China where has rich graphite mineral resources and focuses to become a professional and reliable supplier of Graphite and Carbon related products. In the system, we strictly enforce the ISO9001-2008 Quality Management System. We remain a major supplier of Flake graphite, Expandable Graphite, Amorphous Graphite, Synthetic graphite, Graphite electrode and Carbon product. All kinds of products are extensively applied in those industrial fields as metallurgy, refractory, foundry, petroleum, lubricant, chemical industry, electric power, automobile, pharmacy, aerospace industry, nuclear industry, etc.