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Column Update: Water-Based vs. Solvent-Based Paint: Differences, Durability, Pros and Cons Explained
When researching paints for repainting exterior walls or roofs, you may come across the terms “water-based paint” and “solvent-based paint.”
“Is water-based paint less durable than solvent-based paint?” “Can it withstand rain if it is water-based?” “Can water-based paint be used on metal?” These are common questions when choosing the right coating.
In the past, water-based paints were sometimes considered less durable than solvent-based alternatives. However, advances in resin and coating technologies have significantly improved their performance, making water-based coatings suitable for an increasingly wide range of applications.
In our latest column, we explain the fundamental differences between water-based and solvent-based paints, including their durability, advantages, and disadvantages, from a paint manufacturer’s perspective. We also explore why the use of water-based coatings is increasing and introduce Mizutani Paint’s long-standing commitment to developing water-based coating technologies.
■ Key Points
・The main difference between water-based and solvent-based paints is the type of solvent or carrier used—not simply their performance
・How modern water-based paints perform in terms of durability, rain resistance, and application to metal surfaces
・The benefits of water-based coatings, including reduced odor and lower VOC emissions, as well as points to consider
・Why water-based coatings are increasingly being selected for applications beyond environmental considerations
Rather than assuming that “water-based means weaker” or “solvent-based means stronger,” it is important to understand the characteristics of each coating and select the right product for the substrate, application, and required performance.
This article is recommended for anyone interested in learning more about water-based coatings or considering repainting exterior walls or roofs.
▼ Read the full column here
[Water-Based vs. Solvent-Based Paint: Differences, Durability, Pros and Cons Explained | Mizutani Paint Co., Ltd.（Water-Based vs. Solvent-Based Paint: Differences, Durability, Pros and Cons Explained | Mizutani Paint Co., Ltd.]