BS EN ISO 8501-2:2001 Visual assessment of surface cleanliness of steel substrates pre-treated before application of paint and related products Grade of treatment of steel substrates after partial removal of original coating
1970BS EN ISO 8501-2:2001 Visual assessment of surface cleanliness of steel substrates pre-treated before application of paint and related products Grade of treatment of steel substrates after partial removal of original coating
1996BS EN ISO 8501-2:1996 Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Preparation grades of previously coated steel substrates after localized removal of previous coatings