Heparin HyperD M Affinity Chromatography Sorbent Laboratory Scale Volumes. Size: 25mL. Particle Size: 80 um (average). Dynamic Sorption Capacity For Human ATIII (10% breakthrough): 25 mg/mL. Ligand: Porcine Heparin. Immobilized Heparin/mL Sorbent: 5 - 10 mg/mL.