Sigmacover 280 by PPG is a two-component, aluminum pigmented, polyamide-cured universal epoxy primer designed for use in protective coating systems. Engineered for steel and non-ferrous metals, this versatile primer offers exceptional adhesion, corrosion protection, and performance even in immersion service and low-temperature environments.

With a dry film thickness (DFT) range of 25–40 µm (1.0–1.6 mils), Sigmacover 280 serves as an ideal sealer or tie-coat, and is also suitable for touch-up applications on weld seams or damaged areas of epoxy coatings during construction. It adheres effectively to a variety of substrates, including galvanized steel, shop primers, and wet blast cleaned surfaces, whether damp or dry.

Key Features:

• Universal epoxy primer with aluminum pigmentation

• Excellent adhesion to steel, galvanized steel, shop primers, and non-ferrous metals

• Functions as sealer or tie-coat in coating systems

• Immersion-service ready

• Cures at low temperatures (as low as 5°C / 41°F)

• Touch-up friendly during fabrication and construction

• Compatible with cathodic protection systems

• ACQPA 24142 certified for verified performance

• Effective on wet blast cleaned substrates

Recommended Uses:

• Protective coating systems for steel and non-ferrous metals

• Marine and offshore structures

• Infrastructure and industrial maintenance

• Immersion environments (tanks, pipes, etc.)

• Touch-up and repair during construction

• As a sealer/tie-coat in multi-layer systems