As a global leader in resin technology, we develop and manufacture small beads that are used in the most regulated industries in the world to separate, remove or recover very specific elements and compounds.
With 40 years of manufacturing expertise and 30 years of regulatory experience, we supply leading separation, purification and extraction technologies to support chromatography and biocatalysis applications in healthcare and life sciences.
Macroporous polystyrene crosslinked with divinylbenzene
Phosphonic and Sulfonic Acid
Iron Capacity (min.)
55 - 70 % (H+ form)
Particle Size Range
315 - 850 µm
< 315 µm (max.)
Uniformity Coefficient (max.)
Reversible Swelling, H+ → Fe3+ (max.)
Shipping Weight (approx.)
710 - 760 g/L (44.4 - 47.5 lb/ft³)