PPG Protective and Marine Coatings has unveiled Phenguard Pro, a tank coating system that is intended to offer benefits for both shipyards and ship-owners. For shipyards and at installation, the coating system provides potential efficiency gains of over 20 percent compared to three-layer coating systems, PPG said. For owners it provides the wide chemical resistance and long carriage time of more than 3,400 cargoes, delivering maximum flexibility to the product tanker trades, according to the manufacturer.