Calcined Petroleum Coke

We are offering calcined petroleum coke. spec: grade 1:f.c: 98.5% min, s, 0.50% max, ash: 0.70% max, vm, 0.70%max, moisture, 0.30% max; grade 2:f.c: 98.5% min, s, 1.0% max, ash: 0.50% max, vm, 0.50%max, moisture, 0.30% max; grade 3:f.c: 98% min, s, 2.5% max, ash: 0.70% max, vm, 0.70%max, moisture, 0.50% max;