ISO 16276-1: The Standard for Pull-Off Testing in Corrosion Protection

: For many applications, a circular cutting tool is used to cut through the coating down to the substrate around the dolly to isolate the test area.

: A portable tensile tester applies a uniform, increasing tensile force perpendicular to the surface.

: It traditionally applies to steel substrates with a thickness of at least 10 mm . However, the updated ISO 16276-1:2025 edition expands this scope to include substrates as thin as 3 mm .

The core of the standard is the , which measures the force required to detach a coating from its substrate. Core Steps in Testing :

: A suitable adhesive (typically a 2-pack epoxy or cyanoacrylate) is used to bond the dolly to the coating surface.