96 صفحه pdf
ISO 8501-1:2007-Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness
Part 1
Rust grades and preparation grades of uncoated
steel substrates and of steel substrates after
overall removal of previous coatings
ISO 8501:2007-Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness
