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Technical Blog

Coaterex technical articles on water-based barriers, recyclability, Cobb testing, and sustainable packaging conversion.

Cobb Test: The Ultimate Guide to Understanding and Applying this Paper Water Resistance Test

February 12, 2025

Cobb Test: The Ultimate Guide to Understanding and Applying this Paper Water Resistance Test

Do your paper packages suffer from moisture? Learn about the Cobb test, the standard for measuring water resistance and avoiding disasters.

Migrating to Water-Based Barriers: How to Transform Your Corrugator Without Downtime

February 9, 2026

Migrating to Water-Based Barriers: How to Transform Your Corrugator Without Downtime

A technical guide to implementing water-based coatings: a proven methodology to eliminate plastics and waxes with zero impact on industrial productivity.

Why Traditional Plastic Laminates Are Failing Modern Brands

Why Traditional Plastic Laminates Are Failing Modern Brands

Plastic laminates block recycling, trigger regulatory fines, and damage brand reputation. Discover the functional alternative already replacing them in leading corrugated plants today.

HydraBan®: The Economic Water Barrier That Simply Works

HydraBan®: The Economic Water Barrier That Simply Works

HydraBan® is an efficiency engine for your corrugator. High yield, high performance, and low cost.

From Field to Supermarket: Protecting Fresh Produce

From Field to Supermarket: Protecting Fresh Produce

How functional corrugated coatings prevent fruit spoilage and structural failure in humid agricultural supply chains.

Myth: "Water-Based Coatings Can't Resist Grease"

Myth: "Water-Based Coatings Can't Resist Grease"

Debunking the myth that you have to choose between water resistance and grease resistance. Modern dual-barrier technology explained.

Do You Know Your Cobb Value?

Do You Know Your Cobb Value?

Understanding the Cobb test is crucial for choosing the right coating and avoiding over-engineering your packaging.

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Technical blog on sustainable packaging | Coaterex