ISO 16276-1:2007 is the international standard for evaluating the adhesion and strength of protective paint systems on steel structures using pull-off testing
"All steel surfaces shall be blast cleaned to a visual cleanliness of as per ISO 8501-1, and verified for surface defects in accordance with ISO 16276-1 ." pdf iso -16276-1
The standard gives two main approaches:
The adhesive must fully cure according to the manufacturer’s instructions. pdf iso -16276-1
The official ISO 16276-1 PDF is essential for: pdf iso -16276-1