Our company specialize in Amorphous Graphite, and the specification as follows: Fixed carbon: 75%-85% min Ash: 15% max Volatile: 4% max Sulphur: 0.3% max Moisture: 4% max Size: follow buyer’s demand. Packing: In a 1mt Jumbo Bag or follow buyer’s demand. If you need it, please feel free to contact me. When receive your inquiry, I'll send you our detailed offer. Wish you have a boom business.