Bioprocessing
Accelerate your biologic
drug development with
Purolite™ chromatography resins.

Accelerate your biologic
drug development with
Purolite™ 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 applications within the Pharma and Medical space.
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 More* Once the resin is put into service, backwashing is not permitted as this will lead to shortened bed life.
Polymer Structure | Polystyrene crosslinked with divinylbenzene | |
Appearance | Brown spherical beads | |
Particle Size Range | 300 - 1200 µm | |
< 300 µm (max.) | 1 % | |
Uniformity Coefficient (max.) | 1.7 | |
Shipping Weight (approx.) | 720 - 760 g/L (45.0 - 47.5 lb/ft³) | |
Temperature Limit | 80 °C (176.0 °F) | |
pH limits, Operating | 4.5 - 8.5 | |
The pressure drop across a bed of ion exchange resin depends on the particle size distribution, bed depth, and voids volume of the exchange material, as well as on the flow rate and viscosity of the influent solution. Factors affecting any of these parameters— such as the presence of particulate matter filtered out by the bed, abnormal compressibility of the resin, or the incomplete classification of the bed—will have an adverse effect, and result in an increased head loss. Depending on the quality of the influent water, the application and the design of the plant, service flow rates may vary from 10 to 40 BV/h.
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