Acetone (CAS Registry Number 67-64-1) Test
The acetone test is one of the solvent tests for resurfacing. To perform this test, we dip a cotton swab into Acetone. Then wipe the swab across the surface of the part (avoid markings if possible). If the swab turns black or if the section we wiped has a permanent color change, the part may be coated, and therefore considered suspect counterfeit.
Caution: For all solvents specified in these tests, ensure proper safety precautions are used, including proper Personal Protective Equipment, a ventilated fume hood, and eliminate any ignition sources