Photographic examples of mild steel of rust grade C, blast-cleaned to preparation grade C Sa 3 using six abrasives in common use.
BS 7079-A1 SUPPLEMENT 1:1989
Original price was: $264.16.$132.00Current price is: $132.00.
Preparation of steel substrates before application of paints and related products. Visual assessment of surface cleanliness-Representative photographic examples of the change of appearance imparted to steel when blast-cleaned with different abrasives
BSI Group , 09/29/1989

