PPG Novaguard 4701 - Formerly Sigmashield

Part A: UN1263 (Class: 3, Pk Grp: III), Part B: UN3105 (Class: 5.2, Pk Grp: II)
A glass flake vinylester primer suitable for application to steel or concrete.
Available in 20 Litres in Translucent Amber
£470.99 £392.49
In stock
Product Description

PPG Novaguard 4701 - Formerly Sigmashield is a glass flake vinylester primer suitable for application to steel or concrete.

Best Uses

PPG Novaguard 4701 is a suitable holding primer for PPG Novaguard 4801. Suitable for service temperature >80°C when overcoated withPPG Novaguard 4801 dependent on the actual environment.


Steel should be blast cleaned to ISO Sa2 1/2 SSCP-SP10. This primer should not be used where there is a risk of contaminant above pH9. Concrete should be dried for at least 28 days in good ventilation conditions. Moisture content should not exceed 4.5%. Concrete must be sound, dry, free from laitance and any contamination.

Technical Details
Components: Two Part
Type: Glass Flake Vinylester Primer
Finish: Flat
Stock Colours: Slightly Amber Translucent
Tintable: No
VOC Content:
Volume Solids: 91%
Suitable Substrates: For steel or concrete
Application Method: Brush, Roller or Airless Spray
Theoretical Coverage: 18.2 m2 per litre at 50 microns
Wet Film Thickness (WFT):
Dry Film Thickness (DFT): 45 - 120 microns
Induction Time: -
Pot Life: 1 hour at 20°C
Touch Dry:
Overcoatable: After 1.5 hours at 20°C
Fully Cured: 8 hours at 20°C for 120 microns
Cleaner / Thinner: PPG Thinner 50-02
Shelf Life: 6 months for base and catalyst 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.