New Guard Coatings

PPG SigmaCover 300

PPG SigmaCover 300

(Product Discontinued) A two-component, high-build, polyamine adduct-cured, anticorrosive, water-resistant coal tar epoxy coating.

  • Colour: Black, brown
  • Gloss Level: Eggshell

PPG LogoThis product has now been discontinued, please contact us for an alternative.


Product Description

PPG SigmaCover 300 is a two-component, high-build, polyamine adduct-cured, anticorrosive coal tar epoxy coating.


Product Features and Benefits

  • Outstanding (sea)water resistance (outside hull and ballast tanks)
  • Outstanding water and crude oil resistance
  • Excellent corrosion resistance
  • Good resistance against chemically-polluted water
  • Can be applied and cures at low temperatures (application possible down to –5°C (23°F), provided the substrate is free from ice)
  • Good abrasion resistance
  • Recognised corrosion control coating (Lloyd’s register)
  • Resistant to well designed/controlled cathodic protection
  • Colours: Black, brown
  • Gloss level: Eggshell


Method of Application

  • Air spray
  • Airless spray
  • Brush/Roller (for touch-up and spot repair only)

Please refer to the product Data Sheet for surface preparation, mixing and application instructions.



Please contact us for suitable topcoats for PPG SigmaCover 300.


  • Surface should be dry and free from any contamination
  • When overcoated with other paints, tar bleeding will occur
  • When overcoating work is to be carried out on coats thicker than 250 μm (10.0 mils) applied in one coat, the minimum overcoating interval must be extended as follows: 300 μm (12.0 mils), 2 times as long; 400 μm (16.0 mils), 3 times as long; 500 μm (20.0 mils), 4 times as long



Air Spray: PPG Thinner 91-79
Volume of Thinner: 5 – 10% depending on required thickness and application conditions.

Airless Spray: PPG Thinner 91-79
Volume of Thinner: 0 – 5% depending on required thickness and application conditions.

Brush/Roller: PPG Thinner 91-79
Volume of Thinner: 0- 5%




Safety Precautions

  • Adequate ventilation must be maintained during application and curing (please refer to Information Sheets 1433 and 1434)
  • For paint and recommended thinners see Information Sheets 1430, 1431 and relevant Material Safety Data Sheets
  • This is a solvent-borne paint and care should be taken to avoid inhalation of spray mist or vapour, as well as contact between the wet paint and exposed skin or eyes

Please refer to the product Data Sheet and Material Safety Data Sheets for full details regarding the safe use of this product.


Contact Us

For further advice regarding the use of this product, technical support or a quotation please contact us.

Basic Data at 20°C (68°F) for mixed product:

Number of components Two
Mass density 1.5 kg/l (12.5 lb/US gal)
Volume solids 71 ± 2%
VOC (Supplied) Directive 1999/13/EC, SED: max. 207.0 g/kg max. 305.0 g/l (approx. 2.5 lb/US gal)
Recommended dry film thickness 125 – 500 μm (5.0 – 20.0 mils)
Theoretical spreading rate 5.7 m2/l for 125 μm (5 ft2/US gal for 5.0 mils)
Dry to touch 4 hours
Overcoating Interval Minimum: 6 hours; Maximum: 4 days when exposed to direct sunshine; Maximum: 18 days when NOT exposed to direct sunshine
Full cure after 7 days
Shelf life Base: at least 12 months when stored cool and dry. Hardener: at least 24 months when stored cool and dry
Pot life 6 hours at 20°C (68°F)

Please refer to the Data Sheet for additional technical data.

Download Datasheet