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ISO 16276-1: The Definitive Guide to Corrosion Protection Testing

: The force at fracture is recorded (typically in Megapascals, MPa), and the nature of the failure (adhesive vs. cohesive) is assessed visually.

The coating surface and the face of the test dolly must be cleaned. pdf iso -16276-1

When dealing with the corrosion protection of steel structures, the longevity and reliability of a paint system depend entirely on how well it adheres to the substrate. is the premier international standard defining how to assess the adhesion, cohesion, and fracture strength of these protective paint systems.

To perform a test compliant with ISO 16276-1, operators must utilize calibrated equipment and specialized consumables. ISO 16276-1: The Definitive Guide to Corrosion Protection

: Standardized glues (e.g., 2-pack epoxy) must be used to bond the dolly to the coating. 2. Testing Procedure

What or type of steel structure are you analyzing? When dealing with the corrosion protection of steel

You might also find a (Paints and varnishes — Pull-off test). This causes confusion.

The original 2007 version required a steel thickness of at least 10 mm, while the 2025 revision covers substrates as thin as 3 mm .

For a 100-meter long pipeline, the contract might specify testing every 20 meters. The inspector marks ten test locations, and five are randomly selected for testing. This ensures unbiased, statistically valid coverage of the project.

Utilize dollies of specific dimensions and shapes (commonly 20 mm in diameter, though other sizes may be permitted under specific conditions). Acceptance and Rejection Criteria