ISO 16276-1:2007 (and the updated 2025 version) specifies procedures for assessing the (adhesion and cohesion) of protective paint coatings on steel structures using the pull-off testing method . 🛠️ Scope and Application Material : Protective paint coatings on steel substrates .

The official ISO 16276-1 PDF is essential for:

For a valid test, failure should be in the glue (Type D). If the glue fails before the coating, you learn nothing about the coating’s strength.