SIGMA VIKOTE 18

SIGMA VIKOTE 18

SIGMA VIKOTE 18

Product catalog summary
Description: The document details the specifications and application guidelines for Sigma Vikote 18, a high build aluminium pigmented chlorinated rubber primer/sealer. It is noted for its anticorrosive properties, excellent water resistance, and compatibility with antifoulings. The primer is fast-drying and can be applied at temperatures as low as -10°C.
Principal Characteristics: The primer is unsaponifiable and resistant to cathodic protection. It tolerates a dry film thickness (dft) up to 150 µm at overlaps without sagging.
Colours and Gloss: Available in grey and reddish grey with a flat finish.
Basic Data at 20°C: Mass density is 1.2 g/cm³, volume solids are 42 ± 2%, and VOC content is a maximum of 502 g/l. The recommended dft is 75 µm per coat, with a theoretical spreading rate of 5.6 m²/l for 75 µm. Touch dry times vary with temperature, and the shelf life is at least 12 months.
Recommended Substrate Conditions and Temperatures: Suitable for steel with approved zinc silicate shop primer, primed steel, and galvanized steel. The substrate temperature should be at least 3°C above the dew point.
System Specification: Includes marine system sheets 3101 to 3104.
Instructions for Use: Stir well before use. The paint temperature should be above 15°C for optimal application. Excess solvent reduces sag resistance.
Application Methods:
  • Airless Spray: Use Thinner 21-06, with a nozzle orifice of approx. 0.45 mm and pressure of 15 MPa.
  • Air Spray: Use Thinner 21-06, with a nozzle orifice of 1.8 - 2 mm and pressure of 0.3 - 0.4 MPa.
  • Brush/Roller: Use Thinner 21-06, 0 - 3% volume.
Safety Precautions: Avoid inhalation of spray mist or vapour and contact with skin or eyes. Refer to safety sheets 1430, 1431, and relevant material safety data sheets.
Additional Data: Overcoating intervals vary with temperature. The product is available worldwide, but modifications may be necessary to comply with local regulations.
Limitation of Liability: The information is based on laboratory tests and is intended for guidance only. PPG Protective & Marine Coatings does not accept liability for loss, injury, or damage resulting from the use of this data sheet.
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Catalog excerpts

SIGMA VIKOTE 18-1

SIGMA VIKOTE 18 3 pages DESCRIPTION July 2009 Revision of September 2005 high build aluminium pigmented chlorinated rubber primer/sealer PRINCIPAL CHARACTERISTICS – – – – – – – – anticorrosive primer/sealer excellent water resistance unsaponiable resistant to well designed/controlled cathodic protection fast drying can be applied at low temperatures, down to -10°C tolerates a dft up to 150 µm at overlaps without sagging compatible with antifoulings COLOURS AND GLOSS grey, reddish grey - at 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 42 ± 2% max. 409 g/kg (Directive 1999/13/EC, SED) max. 502 g/l (approx. 4.2 lb/gal) 75 µm per coat 5.6 m²/l for 75 µm 4 hours at 5 - 10°C, 1 hour at 20°C min. 6 hours * max. unlimited at least 12 months Recommended dry lm thickness Theoretical spreading rate Touch dry after Overcoating interval Shelf life (cool and dry place) * see additional data RECOMMENDED SUBSTRATE CONDITIONS AND TEMPERATURES – steel with approved zinc silicate shop primer; sweep blasted to SPSS-Ss, welds, rusty and damaged areas blast cleaned to ISO-Sa2½ – steel; blast cleaned to ISO-Sa2½, blasting prole 40 - 70 µm – primed steel or previous coat; dry and free from any contamination – galvanised steel; dry and free from any contamination and zinc salts – substrate temperature should be at least 3°C above dew point SYSTEM SPECIFICATION marine INSTRUCTIONS FOR USE – stir well before use – the temperature of the paint should preferably be above 15°C, otherwise extra thinner may be required to obtain application viscosity – too much solvent results in reduced sag resistance AIRLESS SPRAY Recommended thinner Volume of thinner Nozzle orice Nozzle pressure system sheets: 3101, 3102, 3103, 3104 Thinner 21-06 0 - 3%, depending on required thickness and application conditions approx. 0.45 mm (= 0.018 in) 15 MPa (= approx. 150 bar; 2130 p.s.i.) page 1/3

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SIGMA VIKOTE 18-2

SIGMA VIKOTE 18 July 2009 AIR SPRAY Recommended thinner Volume of thinner Nozzle orice Nozzle pressure Thinner 21-06 6 - 10%, depending on required thickness and application conditions 1.8 - 2 mm 0.3 - 0.4 MPa (= approx. 3 - 4 bar; 43 - 57 p.s.i.) BRUSH/ROLLER Recommended thinner Volume of thinner the recommended dft cannot be reached in one coat Thinner 21-06 0 - 3% CLEANING SOLVENT Thinner 21-06 SAFETY PRECAUTIONS for paint and recommended thinners see safety sheets 1430, 1431 and relevant material safety data sheets this is a solvent borne paint and care should be taken to avoid inhalation...

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SIGMA VIKOTE 18-3

SIGMA VIKOTE 18 July 2009 LIMITATION OF LIABILITY The information in this data sheet is based upon laboratory tests we believe to be accurate and is intended for guidance only. All recommendations or suggestions relating to the use of the Sigma Coatings products made by PPG Protective & Marine Coatings, whether in technical documentation, or in response to a specic enquiry, or otherwise, are based on data which to the best of our knowledge are reliable. The products and information are designed for users having the requisite knowledge and industrial skills and it is the end-user's responsibility...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.