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Description
High-solids epoxy primer for demanding marine newbuild and maintenance
Did you know
- The Sigma Coatings brand, under which Sigmacover 456 is sold, originated from the merger of three companies in 1972, with roots tracing back to 1722 in the Netherlands when Jan Pieterszoon Schoen began grinding pigments. PPG acquired SigmaKalon (which included Sigma Coatings) in 2008.
- Sigmacover 456 is a general-purpose epoxy buildcoat or finish within the PPG SigmaCover range, designed for protective coating systems. Other coatings in the SigmaCover series include primers like Sigmacover 400 and 410, and specialized coatings like Sigmacover 435 (MIO pigmented) and SigmaShield 460 (glass flake reinforced).
- Sigmacover 456 is chosen for its versatility as a high-build, polyamide-cured recoatable epoxy coating suitable for steel and concrete in atmospheric, land, or marine conditions. It offers good adhesion to aged coatings and can cure effectively even at temperatures as low as -10°C (14°F) and in high humidity.
| Model | Volume Solids | Dry Film Thickness (DFT) per coat | Dry to Touch (at 20°C) | Full Cure (at 20°C) | Curing Temperature Range |
|---|---|---|---|---|---|
| Sigmacover 456 | 65 ± 2% | 75 - 150 µm (3.0 - 6.0 mils) | 2 hours | 4 days | down to -10°C (14°F) |
| Sigmacover 400 | 85 ± 2% | 100 - 200 µm (4.0 - 8.0 mils) | 6 hours | 7 days | 5°C (41°F) to 60°C (140°F) |
| Sigmacover 410 | High solids (specific % not found) | up to 200 µm (specific range not found) | 3 hours | 7 days | down to -5°C (23°F) |
| Sigmacover 435 | 63 ± 2% | 75 - 150 µm (3.0 - 6.0 mils) | 2 hours | 4 days | down to -10°C (14°F) |
| SigmaShield 460 | 81 ± 2% | 250 - 400 µm (10.0 - 16.0 mils) | 3 hours | 5 days | above 5°C (41°F) |
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Send enquiry
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Code map
^W P P G │ │ │ └── Model: Sigmacover 456 │ │ └───── Make: PPG / Sigma Coatings │ └──────── Equipment: Paints & Marine Coatings └─────────── System: Deck & Engine Branded Stores