Sigma Dur 550 Topcoat Grey 5177
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Sigma Dur 550 Topcoat Grey 5177
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PPG SigmaDur 550, a two-component, aliphatic acrylic polyurethane finish with excellent resistance to atmospheric exposure conditions and is resistant to splash of mineral and vegetable oils, paraffins, aliphatic petroleum products and mild chemicals. Available in 2200+ colours from RAL, BS and NCS, the finish has excellent colour and gloss retention, is non-chalking and non-yellowing, and can be recoated unlimited times, even after long atmospheric exposure.
Features & Benefits
- Available in 2200+ colours from RAL, NCS and BS
- Can be recoated unlimited times
- Used on the exterior of the Padma Multipurpose Bridge in Bangladesh
- Excellent resistance to atmospheric exposure conditions
- Excellent colour and gloss retention
- Non-chalking, non-yellowing
- Cures at temperatures down to -5°C (23°F)
- Resistant to splash of mineral and vegetable oils, paraffins, aliphatic petroleum products and mild chemicals
- Can be recoated even after long atmospheric exposure
- Good application properties
Product Data
Two-component, aliphatic acrylic polyurethane finish
| Data for mixed product at 20°C (68°F) | |
|---|---|
| Number of components | Two |
| Mass density | 1.3 kg/l (10.8 lb/US gal) |
| Volume solids | 55 ± 2% |
| VOC (Supplied) | Directive 1999/13/EC, SED: max. 334.0 g/kg |
| max. 430.0 g/l (approx. 3.6 lb/US gal) | |
| EUR Directive: 2004/42/IIA(j)(500) 459 g/l) | |
| Recommended dry film thickness | 50 - 60 µm (2.0 - 2.4 mils) depending on system |
| Theoretical spreading rate | 11.0 m²/l for 50 µm (441 ft²/US gal for 2.0 mils) |
| Dry to touch | 1 hour |
| Overcoating Interval | Minimum: 6 hours |
| Maximum: Unlimited | |
| Full cure after | 4 days |
| Shelf life | Base: at least 36 months when stored cool and dry |
| Hardener: at least 24 months when stored cool and dry | |
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Sigma Dur 550 Topcoat Grey 5177