PPG SigmaZinc 109 HS

Part A and B: UN1263 (Class: 3, Pk Grp: III)
A two component high solids polyamide adduct cured zinc epoxy primer Highways Approved Item No.109.
Available in 8 Litres in Reddish Grey
£285.82 £238.18
In stock
Product Description

PPG SigmaZinc 109 HS is a two component zinc rich polyamide formally Amercoat 68G.

Can also serve as a holding primer for various maintenance systems when a short over coating interval is required. Highways Agency Number Item No.109

Best Uses

PPG SigmaZinc 109 HS is primarily used as an undercoating that be be painted over with a variety of different Zinc Epoxy Topcoats and systems with high solids epoxy build coats offering excellent corrosion preventing properties with quick drying times that can be over coated in short intervals


PPG SigmaZinc 109 HS can be applied using brush, roller or airless spray and offers an ultra fast drying time of just 2.5 minutes at 20°C, that can be overcoated after just 4 hours. SigmaZinc 109 HS Zinc Rich Epoxy Primer has a theoretical coverage rate of 11-12 square metres per litre and when dry produces a flat grey finish.

Surface and Environment

PPG SigmaZinc 109 HS is suitable for use on steel and blasted steel in a variety of different environments including, industrial, construction and commercial and works to prevent a whole host of different steel structures and appliances from corrosion and water damage.

Technical Details


  • Highways Agency Number Item No.109
  • Complies with SSPC-Paint 20 and ISO 12944.5
  • ISO 12944-6 Systems For Steel - C5-M High at 75 microns DFT
  • ISO 12944-6 Systems For Steel - C5-M High at 60 microns DFT


  • Designed as a system primer for various paint systems
  • Excellent anti corrosive properties
  • Quick drying, can be over-coated after a short interval
  • Can serve as a holding primer for various maintenance systems for a total repair
  • Very good primer for systems with high solids epoxy build coats

Technical Info

Components: Two Components
Type: Epoxy Primer
Finish: Flat
Stock Colours: Reddish Grey
Tintable: No
VOC Content: 299.0 g/l
Volume Solids: 66 +/- 2%
Suitable Substrates: Steel
Application Method: Brush, Roller, Airless Spray or Air Spray
Theoretical Coverage: 11.0 sq m per litre
Wet Film Thickness (WFT): -
Dry Film Thickness (DFT): 50 - 150 microns (2.0 - 6.0 mils)
Induction Time: None
Pot Life: 6 hours at 20°C
Touch Dry: 2.5 hours at 20°C
Overcoatable: After minimum 4 hours at 20°C
Fully Cured: 7 days at 20°C
Cleaner / Thinner: Thin with: PPG Thinner 91-92 Clean with: PPG Thinner 90-53
Shelf Life: At least 24 months when stored cool and dry
Packaging: Available in 8 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.

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