The Sherwin Wash Test Panel is used to determine the intrinsic level of background fluorescence in a penetrant system.
Stainless steel panel measuring 4 x 6 inches and 0.090 inches thick with two parallel, “medium rough” strips, each 6 x 1 1/2 inches separated by a smooth 1-inch strip. The wash panel is used to meet monthly removability testing required by MIL-STD-6866 and ASTM E-1417).
• ASTM E-1417
|WTP-1||Sherwin WTP-1 Wash Test Panel|