The present invention is directed to hemostatic material containing compacted ORC powder comprising particles having an average aspect ratio from about 1 to about 18, wherein said compacted ORC powder have preferably been processed in a compaction device, such as a ball milled ORC powder. The present invention further relates to methods of making the hemostatic material and a method of treating a wound by applying the hemostatic powder onto and/or into the wound of a patient.