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NOVAGUARD 840

NOVAGUARD 840
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February 2013 Revision of March 2011 two component solvent free amine cured novolac phenolic epoxy coating PRINCIPAL CHARACTERISTICS – one coat tank coating system – clear version for glassmat reinforced solvent free tank bottom system (see system sheet 4145) – excellent resistance to crude oil up to 90°C – suitable for storage of unleaded gasolines – good chemical resistance against a wide range of chemicals and solvents – good visibility due to light colour – glossy and smooth appearance – easy to clean – can be applied by heavy duty single feed airless spray equipment (60:1) – reduced explosion risk and re hazard – approved to Air BP F2D2 section 2.1 for the storage of jet fuels COLOURS AND GLOSS green, cream, clear – gloss (1 g/cm³ = 8.35 lb/US gal; 1 m²/l = 40.7 ft²/US gal) (data for mixed product) Full cure after 1.3 g/cm³ 100% max. 106 g/kg max. 142 g/l (approx. 1.2 lb/gal) 73 g/ltr (0.6 lb/gal) (by EPA Method 24) see information sheet 1411 300 - 600 μm depending on system 3.3 m²/l for 300 μm * 6 hours at 20°C min. 24 hours * max. 2 months * 5 days * at 20°C Shelf life (cool and dry place) (data for components) at least 12 months Mass density Volume solids VOC (Supplied) VOC (EPA Method 24) Recommended dry lm thickness Theoretical spreading rate Touch dry after Overcoating interval RECOMMENDED SUBSTRATE CONDITIONS AND TEMPERATURES – steel; blast cleaned to a minimum of ISO-Sa2½, blasting prole 50 - 100 μm – substrate temperature must be above 5°C and at least 3°C above dew point during application and curing – steel with suitable primer (SigmaGuard 260) which must be dry, clean and free from any contamination

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mixing ratio by volume: base to hardener 80 : 20 Induction time Pot life – the temperature of the mixed base and hardener should preferably be at least 20°C – at lower temperature the viscosity will be too high for spray application – no thinner should be added – for recommended application instructions: see working procedure none 1 hours at 20°C * *see additional data AIRLESS SPRAY Recommended thinner Nozzle orice Nozzle pressure use heavy duty single feed airless spray equipment preferably 60:1 pump ratio and suitable high pressure hoses/in -line heating or insulated hoses may be...

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measuring dry lm thickness – because of low initial hardness the dft cannot be measured within some days due to the penetration of the measuring device into the soft paint lm – the dft should be measured using a calibration foil of known thickness placed in between the coating and the measuring device Overcoating with Novaguard 840 (spot repair and stripe coating) substrate temperature minimum interval maximum interval – surface should be dry and free from any contamination Curing Curing table substrate temperature 5°C 10°C 20°C 30°C dry to handle 60 hours 30 hours 16 hours 10 hours full...

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Pot life (at application viscosity) 20°C 30°C – due to exothermic reaction, temperature during and after mixing may increase Worldwide availability It is always the aim of PPG Protective and Marine Coatings to supply the same product on a worldwide basis. However, 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 Safety indications Safe working in conned spaces Cleaning of steel and removal of rust Explanation to product data sheets Safety in conned spaces and...

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WARRANTY PPG warrants (i) its title to the product, (ii) that the quality of the product conforms to PPG’s specications for such product in effect at the time of manufacture and (iii) that the product shall be delivered free of the rightful claim of any third person for infringement of any U.S. patent covering the product. THESE ARE THE ONLY WARRANTIES THAT PPG MAKES AND ALL OTHER EXPRESS OR IMPLIED WARRANTIES, UNDER STATUTE OR ARISING OTHERWISE IN LAW, FROM A COURSE OF DEALING OR USAGE OF TRADE, INCLUDING WITHOUT LIMITATION, ANY OTHER WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE,...

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NOVAGUARD 840
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