Sml Cast Iron Pipe Grey SML Cast Iron Pipe SML cast iron pipes are internally finished with epoxy coating to prevent from fouling and corrosion. Inside: fully cross-linked epoxy,thickness min.120μm Outside: reddish brown base coat,thickness min.80μm Coating En877 Cast Iron Pipe and fittings are factory coated with a two pack gloss paint finish, suitable for internal and external installations. All the pipes also have a yellow ochre two pack epoxy internal coating. Internal coatings Our coatings have been successfully tested for resistance to attack by salt spray, waste water, hot water cycling and solutions of acid at PH2 and alkalis at PH12 and conform to BS EN 877 1999. Our internal quality control procedures ensure the integrity of the coating is maintained through process monitoring and final inspection of coating thickness and adhesion. EN877 Sml Cast Ir…