CSWIP Painting Inspector Practice Questions - CSWIP BGAS-CSWIP Painting Inspector (Grade 2 Grade 1) Exam

Sa 2.5 allows slight shadows and discolorations, whereas Sa 3 must be completely free of all visible residues and uniform in metallic color. Sa 2.5 allows up to 20% heavy mill scale to remain, whereas Sa 3 allows 5% mill scale. Sa 3 requires hand tool wire brushing after blast cleaning, whereas Sa 2.5 does not. Sa 2.5 applies to non-ferrous metals only, while Sa 3 applies to carbon structural steel.