Sherwin PSM-5 panel
Sherwin PSM-5 Penetrant System Monitor Panel
A chrome plated strip approximately 44.5 mm wide x 0.076 mm thick (1.75 x 0.003 in.) covers the length of the panel and the remaining area is a grit blasted surface of medium roughness (half Grit / half Polished) used for determining penetrant material’s washability
PSM-5 Panel processing meets MIL-STD-6866 and ASTM E-1417 requirements for daily system check.