ASME A112.6.7 pdf download ENAMELED AND EPOXY COATED CAST IRON AND PVC PLASTIC SANITARY FLOOR SINKS 2.2 Epoxy Coating The visible surface after installation of each floor sink shall be acid-resisting epoxy, thoroughly fused to the cast iron base. It shall be free from flaws that may effect the appearance or serviceability of the floor sink. The epoxy surface shall...