Paint Factors for Fixed Roof Tanks

Tank color Paint factors (F p ) Paint Condition Roof Shell Good Poor White White 1.00 1.15 Aluminum (specular) White 1.04 1.18 White Aluminum (specular) 1.16 1.24 Aluminum (specular) Aluminum (specular) 1.20 1.29 White Aluminum (diffuse) 1.30 1.38 Aluminum (diffuse) Aluminum (diffuse) 1.39 1.46 White Gray 1.30 1.38 Light gray Light gray 1.33 1.44 Medium gray Medium gray 1.40 1.58