● It’s a Coal Tar Enamel (CTE) Coating.
● 1st Coat : Coal Tar Primer – 50 to 75 Microns.
● 2nd Coat : 1st hot coal tar enamel layer with inner wrap > 1mm
● 3rd Coat : 2nd hot coal tar enamel layer with inner wrap > 1mm
● Final Coat : Coal tar impregnated outer wrap – 600 to 750 Microns.