SIGMA AQUACOVER 45 3 pages DESCRIPTION September 2009 Revision of April 2007 one component water borne acrylic dispersion nish PRINCIPAL CHARACTERISTICS – nish for interior accommodation, machinery spaces and superstructure – particularly suitable when solvents are not permitted because of health and safety reasons – fast drying and recoatable – good weather resistance – good colour retention – allows safer working during hull outtting of new buildings – certicate for low ame spread: see sheet 1883 COLOURS AND GLOSS white (other colours on request) - gloss BASIC DATA AT 20°C (1 g/cm³ = 8.25 lb/US gal; 1 m²/l = 40.7 ft²/US gal) Mass density Volume solids VOC (supplied) 1.2 g/cm³ 34 ± 2%, depending on colour max. 9 g/kg (Directive 1999/13/EC, SED) max. 10 g/l (approx. 0.1 lb/gal) 50 µm per coat 6.8 m²/l for 50 µm 6 hours at 5°C, 3 hours at 10°C, 1 hour at 20°C min. 6 hours * max. unlimited * at least 12 months, keep above 0°C Recommended dry lm thickness Theoretical spreading rate Touch dry after Overcoating interval Shelf life (cool and dry place) RECOMMENDED SUBSTRATE CONDITIONS AND TEMPERATURES – previous suitable coat; (e.g. Sigma Aquacover 25) dry and free from any contamination – substrate temperature should be at least 5°C and at least 3°C above dew point during application and curing – maximum relative humidity during application and curing is 75% SYSTEM SPECIFICATION marine INSTRUCTIONS FOR USE – stir well before use – the temperature of the paint should preferably be above 15°C, otherwise extra tap water may be required to obtain application viscosity – too much tap water results in reduced sag resistance – adequate ventilation must be maintained during application and curing (please refer to sheets 1433 and 1434) – must be protected from freezing at all times during storage and/or transport AIRLESS SPRAY Recommended thinner Volume of thinner Nozzle orice Nozzle pressure system sheets: 3104, 3105 tap water 0 - 5%, depending on required thickness and application conditions approx. 0.28 - 0.33 mm (= 0.011 - 0.013 in) 12 - 15 MPa (= approx. 120 - 150 bar; 1700 - 2130 p.s.i.) page 1/3

SIGMA AQUACOVER 45 September 2009 CLEANING SOLVENT tap water and Thinner 70-05 Cleaning Procedures of the spray equipment: pulsator lter and tip lter must be taken out of the equipment and cleaned properly following tables illustrate the cleaning procedure of the spray equipment when changing spraying from solvent borne paint to water borne paints (table 1) and from water borne paints to solvent borne paints (table 2) CLEANING PROCEDURE Table 1: from solvent borne- to water borne paints 1st cleaning with Thinner 90-53 2nd cleaning with Thinner 70-05 3rd cleaning with warm tap water (30 - 35°C)...

SIGMA AQUACOVER 45 September 2009 Worldwide availability Whilst it is always the aim of PPG Protective & Marine Coatings to supply the same product on a worldwide basis, slight modication of the product is sometimes necessary to comply with local or national rules/circumstances. Under these circumstances an alternative product data sheet is used. REFERENCES Explanation to product data sheets Safety indications Safety in conned spaces and health safety Explosion hazard - toxic hazard Safe working in conned spaces Directives for ventilation practice see information sheet 1411 see information sheet...