*PPG SigmaFast 302

This product is now discontinued.
Out of stock
Product Description

Please note, this product is now discontinued. Contact our technical team for a suitable alternative.

PPG SigmaFast 302 is a two component silicate zinc epoxy primer that offers excellent anti corrosive properties, suitable for use on metal substrates that need protection.

Best Uses

SigmaFast 302 is best used to provide a fast curing, fast handling, priming coat to a variety of different surfaces in light industrial and commercial environments. SigmaFast 302 works to reduce the risk of mud cracking.


SigmaFast 302 can be applied using spray, brush or roller and has an ultra fast drying time of just 10 minutes at 20°C and can be recoated after just 40 minutes making it one of Promain's fastest 2 coat products available for purchase. SigmaFast 302 has an overall theoretical coverage rate of 45-50m2 per 4 litre container.

Surface and Environment

SigmaFast 302 can be used internally or externally in atmospheric conditions where corrosion resistance is of high importance and a blue green or grey flat finish is desired.

Technical Details


  • ISO 12944-6 Systems For Steel - C4 High at 50 microns DFT


  • Two component silicate zinc epoxy primer
  • Good anti-corrosive properties
  • Fast curing
  • Fast handling
  • Topcoats must be unsaponifiable
  • Cures at temperatures down to -5°C

Technical Info

Components: Two Part
Type: Silicate Zinc Epoxy Primer
Finish: Flat
Stock Colours: Blue Green, Grey
Tintable: No
VOC Content: 419.0g per Litre
Volume Solids: 63%
Suitable Substrates: For steel
Application Method: Brush, Roller, Air Atomised Spray or Airless Spray
Theoretical Coverage: 12.6 m2 per litre at 50 microns
Wet Film Thickness (WFT):
Dry Film Thickness (DFT): 50 - 80 microns
Induction Time: -
Pot Life: 4 hours at 20°C
Touch Dry: 10 minutes at 20°C
Overcoatable: Between 25 minutes and 12 months at 20°C
Fully Cured:
Cleaner / Thinner: PPG Thinner 21-06
Shelf Life: 24 months when stored cool and dry
Packaging: Available in 20 Litres

The manufacturers data sheets are available for download from this website. It is your responsibility to read and understand all aspects of the data sheets before you place an order and prior to application. Please pay special attention to the preparation, mixing and application temperatures of the product, cleaning of substrate and environmental factors such as temperature, rain etc. Quoted coverage rates are based on the manufacturers theoretical rates and may vary depending upon substrates absorption, texture and application. We always recommend a test is carried out to ensure suitability.

Customer further agrees that Promain have no liability for any errors or omissions contained within the Product Data Sheets and are not liable for failure due to misapplication or inadequate substrate cleaning and preparation. For more information please refer to our Terms & Conditions.