Competitive Price +32mesh/+50mesh/+80mesh/+100mesh/+150mesh/-100mesh/-200mesh/-325 Mesh Crucible/Carbon Brick/Refractory/Foundrylubricant Natural Flake Graphite. High Carbon Content: Fixed carbon content ranges from 90% to 99% for superior purity. Low Impurity Levels: Sulfur content is 0.05% and ash is 0.7%, ensuring high quality. Wide Mesh Range: Available in +32mesh, +50mesh, +80mesh, +100mesh, +150mesh, -100mesh, -200mesh, and -325 mesh. Excellent Thermal Resistance: Features high temperature resistance, thermal shock resistance, and cold heat resistance. Self-Lubricating Property: Provides excellent lubrication and compression resilience for industrial applications. Corrosion Resistance: Offers superior resistance against corrosion and chemical attacks. Customization Available: Offers full customization including grade, color, purity, and particle size. High Expansion Ratio: Expandable graphite features an expansion ratio greater than 350ml/g.