ASME A112.6.7 pdf download Sanitary Floor Sinks 2.2.1 Surface Epoxy. The surface epoxy, visible after installation, shall be glossy to the extent that it will have a 60 deg (1.05 rad) specular gloss of not less than 60 when tested in accordance with para. 5.2. 2.2.2 Epoxy Thickness. The thickness of the epoxy coating, as measured on a flat surface...