CRW 60 Level 1/2 Lowest sensitivity excellent washability for casting and rough surfaces.
CRW 61 Level 1 Low sensitivity excellent washability for casting and rough surfaces.
CRW 62 Level 2 Medium sensitivity excellent washability for casting and rough surfaces.
CRW 62/2 Level 2 Medium sensitivity High water toleranced,excellent washability for casting and rough surfaces.
CRW 63 Level 3 High sensitivity Suitable for the detection defects of castingsjet engine components, and highly machined surfaces to find cracks,seams and porosity.
CRW 63/3 Level 3 High sensitivity High water toleranced Suitable for the detection defects of castings, jet engine components and higly machined surfaces to fint cracks,seams and porosity.
CRW 64 Level 4 Ultra High sensitivity penetrant typically used on smooth,non porous,highly machined surfaces to find cracks,seams,and scratches.