In 2007 updated version of the standard measure for the visual evaluation of rust and purity levels of non-coated steel. Also known as the "Swedish steel blasting grades" (Sa). Contains high-quality colour photographs for estimating the rust levels and purity levels after cleaning manually or by machine (also with blasting).

Target audience: Blasting and painting companies and their clients, paint technicians, advice bureaux and industrial coating businesses.

LD3020
Illustrated book ISO 8501-1