PPG Novaguard 4701 - Formerly Sigmashield is a glass flake vinylester primer suitable for application to steel or concrete.
PPG Novaguard 4701 is a suitable holding primer for PPG Novaguard 4801. Suitable for service temperature >80°C when overcoated with PPG 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.
- Pot Life: 1 hour at 20°C
- Theoretical Coverage: 18.2m2 per Litre for 50 microns, 9.1m2 per litre for 100 microns
- Finish: Flat
- Available in translucent slightly amber