From Resin to Business Empire: Unpacking the Stories of Purolite, Ecolab, and Nalco

1. Completing the most critical technological puzzle piece. Ecolab’s traditional strength lies in ‘peripheral management of water systems’—for example, preventing scale formation in cooling water, inhibiting boiler corrosion, and suppressing bacterial growth in pipelines. It leverages chemicals combined with intelligent monitoring (notably its renowned 3D TRASAR™ technology) to help customers optimize these systems. However, one key link has always remained out of reach: core separation and purification. Purolite’s chromatography resins and adsorption resins precisely address this bottleneck in high-end manufacturing sectors such as biopharmaceuticals and semiconductors. Acquiring Purolite enabled Ecolab to step directly into the heart of production processes within these high-value-added industries—transforming itself from a ‘logistics service provider’ into a ‘core process partner’. 2. Building a complete ‘water + process’ closed loop. Imagine this: Nalco treats your incoming water (Nalco’s domain), then Purolite’s resins actively participate in purifying drugs or isolating target compounds during your production process; finally, wastewater returns and Ecolab treats it for reuse or regulatory-compliant discharge. Once this full loop is operational, customers become deeply embedded in the ecosystem—resulting in exceptionally high stickiness. 3. Optimizing business structure and profitability. Ecolab’s traditional service model relies on service contracts and chemical consumption. In contrast, Purolite’s high-end resins are high-margin, repeat-purchase consumables; once integrated into a customer’s production workflow, they generate steady, recurring cash flow—a highly attractive asset for any publicly listed company. Thus, the logic behind this acquisition is clear and coherent: Ecolab needed Purolite’s technological depth and access to premium markets, while Purolite required Ecolab’s global network, customer base, and platform capabilities—truly a win-win arrangement. IV. Ecolab’s Water Treatment Core: Nalco Water At this point, we must highlight Nalco Water—the subsidiary under Ecolab that truly handles water treatment operations. Many people confuse the relationships among Ecolab, Nalco, and Purolite. Here’s a simple clarification: ・ Ecolab is the parent company—the overarching group. ・ Nalco is Ecolab’s dedicated water treatment brand, primarily serving industrial and municipal sectors. Its core competencies lie in chemicals, intelligent monitoring, and services. ・ Following its acquisition, Purolite operates as an independent business unit, focusing on resin materials and separation/purification. Nalco’s signature technology is the aforementioned 3D TRASAR™. What does this mean? Sensors are installed on your cooling water systems, boilers, and reverse osmosis membranes to monitor parameters—including scaling, corrosion, microbial growth, and chemical concentration—24/7 in real time. Algorithms then automatically adjust chemical dosing to achieve precise control. Put simply, it’s like installing an autonomous driving system for water systems. Nalco offers a comprehensive product portfolio: from scale and corrosion inhibitors in the PermaCare® series, to various water softeners and filters (e.g., UltraTreat™, UltraSand™), and even customized solutions for data center liquid cooling and semiconductor facility utilities—covering virtually every facet of industrial water treatment. V. Their Interrelationships In summary, the relationship among these three entities can be characterized as follows: ・ Purolite provides the foundational ‘materials layer’, solving the question of ‘what to use for separation’. Its technological barriers in high-end separation and purification are exceptionally high. ・ Nalco delivers the ‘system control layer’, addressing how to ensure stable and efficient operation of water systems. Its intelligent monitoring and chemical solutions enjoy strong industry reputation. ・ Ecolab, as the parent group, integrates these two capabilities—and layers on top its expertise in cleaning & disinfection, food safety, and infection prevention—to form a comprehensive, cross-industry solution platform.

Viewing the 2026 Chromatography Media Landscape Through the Lens of $3.08 Billion: A New Global Market Picture Shaped by Monoclonal Antibodies Dominance, Peptide Ascendancy, and Accelerated Domestic Substitution [Chart]

Table of Contents Table of Contents 1. Market Overview 1.1 Definition and Classification of Chromatography Media 1.2 Global Chromatography Media Industry Market Size and Forecast 1.2.1 Global Chromatography Media Market Size (by Revenue), 2021–2032 1.2.2 Global Chromatography Media Market Size (by Volume), 2021–2032 1.2.3 Global Chromatography Media Price Trends, 2021–2032 1.3 China’s Chromatography Media Industry Market Size and Forecast 1.3.1 China’s Chromatography Media Market Size (by Revenue), 2021–2032 1.3.2 China’s Chromatography Media Market Size (by Volume), 2021–2032 1.3.3 China’s Chromatography Media Price Trends, 2021–2032 1.4 Analysis of China’s Position in the Global Market 1.4.1 China’s Share of the Global Chromatography Media Market (by Revenue), 2021–2032 1.4.2 China’s Share of the Global Chromatography Media Market (by Volume), 2021–2032 1.4.3 Comparison of Market Growth Rates: China vs. Global Chromatography Media Market, 2021–2032 1.5 Analysis of Industry Opportunities, Challenges, Trends, and Policies 1.5.1 Analysis of Driving Forces and Development Opportunities in the Chromatography Media Industry 1.5.2 Analysis of Restraining Factors and Challenges Facing the Chromatography Media Industry 1.5.3 Analysis of Industry Development Trends 1.5.4 Policy Analysis of Related Industries in the Chinese Market 2. Market Share and Rankings of Global Leading Manufacturers 2.1 Global Leading Manufacturers’ Market Share (by Chromatography Media Revenue), 2021–2026 2.2 Global Leading Manufacturers’ Market Share (by Chromatography Media Volume), 2021–2026 2.3 Price Comparison Among Global Leading Manufacturers, 2021–2026 2.4 Analysis of Three-Tier Market Participants: Global First-Tier, Second-Tier, and Third-Tier Chromatography Media Players 2.5 Analysis of Market Concentration in the Global Chromatography Media Industry 2.6 M&A Activity in the Global Chromatography Media Industry 2.7 Product Listings of Leading Global Chromatography Media Manufacturers 2.8 Headquarters and Production Site Distribution of Major Global Producers 2.9 Recent Capacity Changes and Future Plans of Key Producers 3. Market Share and Rankings of Leading Chinese Manufacturers 3.1 Market Share of Leading Chinese Manufacturers (by Chromatography Media Revenue), 2021–2026 3.2 Market Share of Leading Chinese Manufacturers (by Chromatography Media Volume), 2021–2026 3.3 Market Share Breakdown of Chinese Chromatography Media Participants: First-Tier, Second-Tier, and Third-Tier 4. Capacity and Output Analysis Across Major Global Regions 4.1 Global Chromatography Media Industry Total Capacity, Output, and Capacity Utilization Rate, 2021–2032 4.2 Capacity Analysis of Chromatography Media Across Major Global Regions 4.3 Output and Future Growth Forecasts for Chromatography Media Across Major Global Regions, 2021 vs. 2025 vs. 2032 4.4 Chromatography Media Output Across Major Production Regions, 2021–2032 4.5 Chromatography Media Output Share Across Major Production Regions, 2021–2032

Mar Vista Investment Partners Initiates New Position in Ecolab Inc.

Apr 13, 2026

Mar Vista Investment Partners initiated a new stake in Ecolab Inc., citing strong competitive advantages and demand drivers like water scarcity. The firm highlights Ecolab's essential water and hygiene solutions with resilient recurring revenue.

Insider Monkey

2026-04-13

Mar Vista Investment Partners Initiates New Position in Ecolab Inc.

2026-04-23

M&T Bank Corp Acquires 422,471 Shares of Ecolab Inc.

2026-04-25

Impax Asset Management Increases Stake in Ecolab Inc.

2026-04-27

Vanguard Group Inc. Acquires 137,578 Shares of Ecolab Inc. $ECL

2026-04-28

Stifel reiterates Ecolab stock rating on mixed quarterly results