What is the Difference Between Adhesion and Flexibility? Reply

Adhesion Cross Hatch Test. Photo Courtesy of BYK-Gardner.

Adhesion Cross Hatch Test.
Photo Courtesy of BYK-Gardner.

Adhesion and Flexibility are two very different yet closely related paint / film properties. By that I mean that changing one of these two properties in a product can result in changes in the other, even though they are entirely different properties.

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Stick to It! Three Methods of Paint Adhesion Testing Reply

Eloy was renovating a condo outside of Orlando. The rental market was hot and he thought the unit would be a great side-project and investment for the long term. He even had a tenant ready to rent as soon as things were ready. At the last minute, he decided the color of the entryway was far too muted and boring for the sunny community around the condo. He went to a hardware store and bought a glossy, citrus-colored paint. “It’s perfect,” Eloy thought. He went home and painted the entryway walls before walking outside for a glass of iced tea while he waited for the paint to dry.

Only it wasn’t drying. It was just sitting on the original wall paint, still wet to the touch.

Eloy called the hardware store in a panic, “I don’t understand what’s happening. It’s like the paint isn’t sticking to the walls. Is that possible?”

The paint professional on the other end of the line was quick to reply, “Of course it’s possible. In fact, I’d guess that is exactly what is happening.”

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