SIGMACOVER 435 6 pages Description April 2012 Revision of May 2011 two component high build micaceous iron oxide pigmented polyamide cured recoatable epoxy coating PRINCIPAL CHARACTERISTICS – general purpose epoxy build coat or nish in protective coating systems for steel and concrete structures exposed to atmospheric land or marine conditions – easy application, both by airless spray and brush – cures even at temperatures down to -10°C – a high relative humidity max. 95%, during application and curing does not inuence the quality of the coating – good adhesion on most aged, sound alkyd-, chlorinated rubber- and epoxy coatings – can be recoated with various two component and conventional coatings even after long weathering periods – resistant to water and splash of mild chemicals – excellent durability – tough, with long term exibility – resistant to temperatures up to 200°C (see system sheet 4062) COLOURS AND GLOSS light grey (9553-05), dark grey ( 9558-05), green (9441-05), aluminium (9590-05) – eggshell BASIC DATA AT 20 °C (1 g/cm³ = 8.35 lb/US gal; 1 m²/l = 40.7 ft²/US gal) (data for mixed product) Mass density Volume solids VOC (Directive 1999/13/EC, SED) VOC (UK PG 6/23(92) appendix 3) Recommended dry lm thickness Theoretical spreading rate Touch dry after 1.4 g/cm³ 63% ± 2% max. 241 g/kg (Directive 1999/13/EC, SED) max. 344 g/l (approx. 2.9 lb/gal) 75 - 150 μm depending on system 6.3 m²/l for 100 μm * 2 hours at 20 °C Overcoating interval min. 3 hours * max. unlimited 4 days * at 20 °C Full cure after (data for components) Shelf life (cool and dry place) at least 24 months * see additional data page 1/6

SIGMACOVER 435 April 2012 RECOMMENDED SUBSTRATE CONDITIONS AND TEMPERATURES – steel; blast cleaned to ISO-Sa2½, blasting prole 40 - 70 μm – steel with approved zinc silicate shop primer; pretreated according to SPSS or powertool cleaned to SPSS-Pt3 – previous coat; dry and free from any contamination – during application and curing a substrate temperature down to -10°C is acceptable provided substrate is dry and free from ice – substrate temperature should be at least 3°C above dew point SYSTEM SPECIFICATION marine system sheets: 3102, 3103 Pot life mixing ratio by volume: base to hardener 82...

minimum interval hours hours hours hours hours hours maximum interval - surface should be dry and free from chalking and contamination - SigmaCover 435 should not be overcoated with coal tar epoxy coatings - finishes require a corresponding undercoat minimum interval hours hours hours hours hours hours maximum interval - surface should be dry and free from chalking and contamination Marine Coatings

SIGMACOVER 435 April 2012 Curing Curing table for dft up to 150 μm substrate temperature -10°C -5°C 0°C 5°C 10°C 15°C 20°C 30°C 40°C full cure 20 days 14 days 10 days 8 days 6 days 5 days 4 days 3 days 2 days dry to handle 24 - 48 hours 24 - 30 hours 18 - 24 hours 18 hours 12 hours 8 hours 6 hours 4 hours 3 hours – adequate ventilation must be maintained during application and curing (please refer to sheets 1433 and 1434) In exceptional cases SigmaCover 435 may be applied at lower substrate temperatures (down to -15°C) provided that the surface is free from ice and other contamination. In such...

SIGMACOVER 435 April 2012 REFERENCES SAFETY PRECAUTIONS 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 Conversion tabels Cleaning of steel and removal of rust Specication for mineral abrasives Relative humidity - substrate temperature air temperature see information sheet 1411 see information sheet 1430 see information sheet 1431 see information sheet 1433 see information sheet 1434 see information sheet 1410 see information sheet 1490 see information...

SIGMACOVER 435 April 2012 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...