CTC 1 is a cleaner in aerosol form.
CTC-1 CrackTest® High Performance Cleaner (Aerosol)
Used for cleaning before (if needed) and removing background paint. In NDT penetrant systems may be used as pre-cleaner and remover. Any application where the highest performance is required to produce a clean, dry, oil free surface.
Sold in cartons of 12 cans.