PPG Industries’ (NYSE: PPG) protective and marine coatings business has introduced NOVAGUARD(TM), PHENGUARD(TM) and SIGMAGUARD(TM) CSF coatings for petrochemical and biofuel storage tank lining applications in the United States. The addition of solvent-free NOVAGUARD and SIGMAGUARD CSF coatings and of solvent-borne PHENGUARD coatings provides storage tank owners and maintenance engineers with a comprehensive range of PPG tank lining solutions for all types of chemical storage.