SIGMADUR™ 520/550 are two-component aliphatic acrylic polyurethane topcoats designed to provide long-lasting, aesthetically stable protection for metal structures exposed to harsh environments.
These coatings stand out for their excellent weather resistance, outstanding colour retention, and unlimited overcoating capability, even after prolonged atmospheric exposure.
They are an ideal solution for the marine, industrial, offshore, energy, and infrastructure sectors, or any application requiring a durable, stable, and highly resistant finish.
Features:
- Excellent UV and weather resistance
- Unlimited overcoating, even after long exposure
- Resistance to splashes of oils, paraffins, aliphatic hydrocarbons, and moderately aggressive chemicals
- Can be applied in temperatures down to –5°C
- Touch dry: 1 hour — Full cure: 4 days
- Application by airless spray, conventional spray, roller, or brush