SIGMACOVER 380 4 pages DESCRIPTION June 2009 Revision of February 2009 two component high build polyamide cured epoxy primer/coating PRINCIPAL CHARACTERISTICS – – – – – – – multipurpose epoxy priming system suitable for immersion service (ballast tanks, outside shell) good anticorrosive properties and water resistance good exibility resistant to well designed cathodic protection good drying and curing property suitable for both newbuilding and maintenance applications COLOURS AND GLOSS grey, green - eggshell BASIC DATA AT 20°C (1 g/cm³ = 8.25 lb/US gal; 1 m²/l = 40.7 ft²/US gal) (data for mixed product) Mass density Volume solids VOC (supplied) 1.4 g/cm³ 80 ± 2% max. 161 g/kg (Directive 1999/13/EC, SED) max. 226 g/l (approx. 1.9 lb/gal) 125 - 200 µm depending on system * 6.4 m²/l for 125 µm * 3 hours * min. 8 hours * max. 28 days * 7 days * Recommended dry lm thickness Theoretical spreading rate Touch dry after Overcoating interval Curing time (data for components) Shelf life (cool and dry place) at least 12 months * see additional data RECOMMENDED SUBSTRATE CONDITIONS AND TEMPERATURES – for immersion exposure: • steel or steel with not approved zinc silicate shop primer; blast cleaned to ISO-Sa2½, blasting prole 30 - 75 µm • steel with approved zinc silicate shop primer; weld seams and areas of damaged shop primer or breakdown should be blast cleaned to ISOSa2½, blasting prole 30 - 75 µm or power tool cleaned to SPSS-Pt3 – IMO-MSC.215(82) Requirements for Water Ballast Tanks: • steel; ISO 8501-3:2006 grade P2, with all edges treated to a rounded radius of minimum 2 mm or subject to three pass grinding • steel or steel with not approved zinc silicate shop primer; blast cleaned to ISO-Sa2½, blasting prole 30 - 75 µm • steel with approved zinc silicate shop primer; weld seams and areas of damaged shop primer or breakdown should be blast cleaned to ISOSa2½, blasting prole 30 - 75 µm – for shop primer with IMO type approval; no additional requirements page 1/4

SIGMACOVER 380 June 2009 – – – – – for shop primer without IMO type approval; blast cleaned to ISO-Sa2 removing at least 70% of intact shop primer, blasting prole 30 - 75 µm • dust quantity rating "1" for dust size class "3", "4" or "5", lower dust size classes to be removed if visible on the surface to be coated without magnication (ISO 8502-3:1992) for atmospheric exposure conditions: • steel; blast cleaned to ISO-Sa2½, blasting prole 30 - 75 µm or according to ISO-St3 • shop primed steel; pretreated to SPSS-Pt3 • galvanised steel; cleaned from grease, salts, contamination and roughened up...

SIGMACOVER 380 June 2009 ADDITIONAL DATA Film thickness and spreading rate theoretical spreading rate m²/l 6.4 5.0 4.0 dft in µm 125 160 200 max. dft in critical areas, applied in two equal coats: 1500 µm Overcoating table for SigmaCover 380 for dft up to 160 µm with itself substrate temperature 5°C 10°C 20°C 30°C minimum interval 48 hours 24 hours 8 hours 4 hours maximum interval 28 days 28 days 28 days 28 days – surface should be dry and free from any contamination Curing table for dft up to 160 µm substrate temperature touch dry dry to handle full cure 5°C 10°C 20°C 30°C 40°C 24 hours 12 hours...

SIGMACOVER 380 June 2009 REFERENCES Explanation to product data sheets see information sheet 1411 Safety indications see information sheet 1430 Safety in conned spaces and health safety Explosion hazard - toxic hazard see information sheet 1431 Safe working in conned spaces see information sheet 1433 Directives for ventilation practice see information sheet 1434 Cleaning of steel and removal of rust see information sheet 1490 PPG Protective & Marine Coatings Ballast Tank Working Procedure New Building LIMITATION OF LIABILITY The information in this data sheet is based upon laboratory tests we...