By Deborah V. Simmons (Retired), Johnny C. Pourciau and Murray Heywood, Sherwin-Williams Protective & Marine

The use of coating systems formulated with optically active pigments can help to ensure correct application and inspection of interior linings for petroleum and water storage tanks. This article explains how OAP technology can help identify pinholes, eliminate holidays and reduce premature failures often caused by inadequate film thickness on angles, edges or areas that are difficult to inspect....