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We are a world leader in resin-based separation, purification and extraction technology.

We focus 100% of our resources on resin technologies. With continued investment from Ecolab, Purolite has one of the industry's largest technically-trained sales teams in ion exchange and specialty resin technology, backed by five Research and Development centers, nine application labs and five production facilities. With our ability to quickly respond, supply, and develop, Purolite can solve your application challenges and optimize your system.

Purolite S9320
Product Spotlight

Purolite™ S9320 Macroporous Chelating Resin

Exceptional kinetics and high metal removal capacity. 

Product overview
Jetted A50 HiPh

Praesto™ Jetted A50 HipH

Protein A resin designed for elution of Fc-containing molecules at higher pH levels. 

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chromatography masterclass
Educational Series

Purolite’s Chromatography Masterclass

Explore chromatography fundamentals in this five-part course.

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Purolite and Repligen announce new CH1 affinity resin to its growing toolbox to address purification challenges

Purolite, an Ecolab company, announced the launch of Praesto® CH1 chromatography resin, a new 70μm (micron) agarose-based resin designed to purify specialized mAbs such as bispecific and Fc mutants to recombinant antibody fragments. This latest innovation was developed as part of a multi-year strategic partnership with Repligen Inc. and leverages Purolite’s patented Jetting manufacturing process and Repligen’s leading ligand technology.

field applications scientists
Featured Service

Field Applications Services

Helping to solve your technical and downstream purification challenges.

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Purolite How to Series: Introduction to Ion Exchange Chromatography

What are the five critical steps of ion exchange chromatography?

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Featured Industry


Accelerate your biologic drug development with Praesto™ chromatography resins.