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Products

How Electrification & Grid Expansion Are Driving Demand for Transformer Insulation: Electrical Insulation Paper

In the two decades between 2000 and 2023, global demand for electricity more than doubled. That growth is not decelerating. Demand for power is rising approximately four percent annually, with...

Products

Copaco® 125 vs. Standard Rag Paper: What’s the Difference?

At Cottrell Paper Company, we know that our customers have a wide variety of needs. We produce products with excellent performance designed for specific applications. That’s why we offer insulation...

Products

Electrical Insulation Solutions for Utility and Renewable Energy Projects

Since Cottrell Paper Company opened its doors a century ago, the commitment to sustainability and land stewardship has never wavered. Our manufacturing mill runs on hydroelectric power drawn from the...

Events

Attending IEEE PES T&D Conference & Expo? Stop by to Say Hi

For transmission and distribution professionals, the IEEE PES T&D Conference & Expo 2026 is one event you will not want to miss. Taking place May 4–7, 2026, at McCormick Place...

Events

Cottrell Paper Attending Leading Global Electrical Industry Events in 2026

For a company rooted in precision manufacturing and long-term supply chain relationships, there is no substitute for being in the room. Cottrell Paper is attending major electrical insulation trade shows...

Products

Try Our Estimate Calculator: How to Build a Custom Quote With Cottrell

Over four generations, Cottrell Paper has built its reputation on quality, exceptional customer service, and environmental sustainability. Our management system earned International Organization for Standardization 9001 certification. ISO 9001 covers...

Products

How COPACO Electrical Paper Powers Modern Transformer Design

Transformers drive production across countless industries. For manufacturers who depend on them, the choice of transformer insulation materials directly affects product performance, equipment longevity, and worker safety. Insulation protects internal...

Products

COPACO Paper Products Deliver Where It Counts: Electrical Insulation Built for the Long Haul

COPACO paper products align with Cottrell Paper Company’s dual commitment to manufacturing precision and environmental responsibility. COPACO materials are manufactured from high-quality cotton cuttings that undergo thorough cleaning and refinement...

Products

Transformer Insulation Materials: Built to Last, Ready When You Need Them

Industries that depend on transformers understand a fundamental truth: proper insulation isn’t optional—it’s the foundation of safe, efficient operations. Insulation protects internal transformer components from electrical currents and voltage surges...

About Products

Why Cotton is the Industry Standard for Electrical Insulation Paper

The use of cotton in electrical applications can be traced back to the 1920s. As the director of H. Weidman Limited, Hans Tschudi-Faude developed a type of pressboard suitable for...

About Products

From Cotton Waste to Critical Components: The Science Behind Sustainable Electrical Paper

To help combat climate change, individual consumers must be attentive in regard to their purchases and consumption. Manufacturers need to take it a step further and consider not only the...

About

Achieving the ISO 9001 Certification: Quality Assurance & Cottrell’s Family Legacy

In today’s competitive world, the savvy shopper knows to purchase goods and services only from companies that have a strong quality assurance system in place. Some may confuse quality assurance...