Bioprocessing

Accelerate your biologic drug development with Praesto® 
chromatography resins.

Learn More
Monoclonal antibody and recombinant protein purification
Monoclonal antibody and recombinant protein purification
Products
Products
Praesto® Jetted A50 HipH Praesto® Jetted A50
Jetting Technology Technical Support
Tools & Services
Tools & Services
Field Application Services Throughput & Productivity Calculator

Core Technologies

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 More
Product Types
Product Types
Adsorbents
Adsorbents
Overview Adsorbents for Enzyme Immobilization Adsorbents for Gases and Organic Vapors Adsorbents of Organic Pollutants Citrus Juice Debittering Corn Sweetener Refining Inorganic Salt Separation Using Adsorbents Patulin Removal Polyphenol Recovery
Catalyst Chelation Resins Chromatographic Separation Resins Fine Mesh Resins Inert Spacer Polymers Mixed Bed Resins
Mixed Bed Resins
Overview Mixed Bed Nuclear Mixed Bed Ultrapure Water
Strong Acid Cation Resin Strong Base Anion Resin Weak Acid Cation Resin
Weak Acid Cation Resin
Overview Weak Acid Cation Macroporous Weak Acid Cation Porous
Weak Base Anion Resin
Weak Base Anion Resin
Overview Weak Base Anion Gel Weak Base Anion Macroporous
Industries
Industries
Chemical Processing and Petrochemical Food and Beverage
Food and Beverage
Overview Dairy Flavors Food Ingredients Fruit Juice
Fruit Juice
Overview Citrus Juice Debittering Patulin Removal Polyphenolic Compound Recovery
Gelatin and Collagen Organic Acid Purification Sugar
Sugar
Overview Beet Sugar Refining Cane Sugar Refining
Sweetener
Sweetener
Overview Corn Sweetener Refining
Additional Food and Beverage
Hydrometallurgy Metals Plating Oil and Gas Potable and Groundwater
Potable and Groundwater
Overview Arsenic Nitrate PFAS TOC, Bromide and DBP
Power
Power
Overview Fossil Nuclear
Pulp and Paper Semiconductor - Electronics
Applications
Applications
Adsorption Catalysis Condensate Polishing Demineralization Metal Removal and Recovery Organics Removal Softening

Healthcare and Life Sciences

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. 

Learn more
Pharmaceutical
Pharmaceutical
Overview APIs/Excipients Milling Media
Medical Devices and Diagnostics
Medical Devices and Diagnostics
Overview Biofluid Treatment Diagnostics
Nutraceuticals
Nutraceuticals
Overview Dairy Protein Isolation Supplement Ingredients Vitamin Purification

Purolite

We are a world leader in resin-based separation, purification and extraction technology, that provides sustainable solutions for our environment, businesses and healthcare.

Learn More
About
About
About Us
About Us
Overview History
Locations Services Manufacturing Customer Support Research and Development Brands
Brands
CriticalResin™ Macronet™ Microlite® Purofine® Puromet™ Puromill™ Puropack® PuroSorb™ Shallow Shell™ UltraClean™
Environmental Commitment Careers
Resources
Resources
General Information Certifications
Certifications
Product Certifications Quality, Environment, Health and Safety
Terms of Sale Glossary and Definitions Case Studies
News & Events
News & Events
News Events Blog Webinars
Tools
Tools
Purolite Resin System Modeling (PRSM™) Unit Conversion Calculator
Overview

Principal Applications

  • Sorption
  • Hydrophobic organic species separation
  • Taste Removal
  • Odor Removal
  • Adsorption - Pyridine

Advantages

  • High mechanical strength
  • High surface area compared to a standard adsorbent
  • Dual IEX/hydrobobic interaction

Regulatory Approvals

  • OK Kosher Certified
  • IFANCA Halal Certified
  • Compliant with FDA Regulation 21 CFR 173.25 for Food Treatment, Ion Exchangers
  • Compliant with Europe Resolution ResAP (2004)3
  • GMO/TSE/BSE free

Typical Packaging

  • 1 ft³ Sack
  • 25 L Sack
  • 5 ft³ Drum (Fiber)
  • 1 m³ Supersack
  • 42 ft³ Supersack

Typical Physical & Chemical Characteristics:

Polymer Structure Macroporous polystyrene crosslinked with divinylbenzene
Appearance Spherical Beads
Functional Group Sulfonic Acid
Ionic Form H+ 
Total Capacity 0.8 - 1.0 eq/L (H+ form)
Moisture Retention 52 - 57 % (H+ form)
Particle Size Range 300 - 1200 µm
Reversible Swelling, Na+ → H+ (max.) 5 %
Typical Pore Diameter by nitrogen adsorption (Meso/Macro/ Transport Pores) 750 Å
Typical Pore Diameter by nitrogen adsorption (Micropores) 15 Å
Typical Pore Volume by nitrogen adsorption 0.2 mL/g
Typical Surface Area by nitrogen adsorption 500 m²/g
Specific Gravity 1.19
Shipping Weight (approx.) 750 - 785 g/L (46.9 - 49.1 lb/ft³)
pH Limits, Stability 0 - 14
Temperature Limit 120 °C (248.0 °F) (H+ form)