This product is used as raw materials of the cuttings to phosphoric acid as activating agent refined from high temperature activation. Iodine value: ≥ 1000mg / g, caramel Decoloration ≥ 100% g, ash: ≤ 6%, pH :3-5, Chloride ≤ 0.05%, Iron ≤ 0.05% Medium Macroporous high for the food, pharmaceutical and chemical industries, environmental protection industry decoloration, purification, purifying and so on