Bioprocessing
Accelerate your biologic drug development with Praesto®
chromatography resins.

Accelerate your biologic drug development with Praesto®
chromatography resins.
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.
Learn MoreWith 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.
Learn moreWe are a world leader in resin-based separation, purification and extraction technology, that provides sustainable solutions for our environment, businesses and healthcare.
Learn MorePolystyrenic Powder, Cation, Hydrogen form, Precoat
Our always-ready technical support and service teams go the extra step to be your most trusted resource. We're here for you.
Polymer Structure | Polystyrene crosslinked with divinylbenzene | |
Appearance | Powder | |
Functional Group | Sulfonic Acid | |
Ionic Form | H+ form | |
Dry Weight Capacity (min.) | 4.8 eq/kg | |
Moisture Content | 45 - 62 % | |
< 10 µm (max.) | 2 % | |
Whole Beads (min.) | ||
Site Composition on Hydrogen | 99 | |
Contaminants | Determined by the limit of ash analysis | |
Standard Packaging Weight Dry Substance | 8.8 Kg (19.4 lb) | |
Typical Temperature Range | 49 - 71 °C (120.2 - 159.8 °F) | |
Color Code | Red | |
Footnote | HIAC particle count |
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