PPG SIGMADUR 520
PPG SIGMADUR 520 is a two-component, high-build semi-gloss aliphatic acrylic polyurethane finish
Structural steel framing.
Two component high build semi-gloss aliphatic acrylic polyurethane topcoat.
- Easy application by roller and airless spray.
- Excellent resistance to atmospheric exposure conditions.
- Good colour and gloss retention.
- Non-chalking, non-yellowing.
- Tough and abrasion resistant.
- Resistant to splash of mineral and vegetable oils, paraffin, aliphatic petroleum products and mild chemicals.
Preparation:
- Suitable for application over PPG Protective & Marine Coatings primers and intermediate coats; SigmaCover 280, SigmaFast 278, SigmaZinc 109 HS, SigmaCover 435 and SigmaCover 456.
- Product is supplied as two packs in correct proportions for use.
- Air temperature 0–40ºC. Surface temperature -5–40ºC. Surface temperature must exceed dew point by 3ºC.
- Drying times vary with environmental conditions. Indicative: At 20ºC a coat can be touch dry in one hour, dry to handle in six hours. Consult manufacturer.
- Application: Airless or conventional spray, brush or roller. Brush or roller application may require additional coats.
- Check coating thickness using non destructive dry film thickness metre, e.g. Mikrotest or Elcometer.
Overcoating:
- More than one coat may be required for full opacity.
- Recoatable after six hours at 20ºC
Site safety, warranties, limited liability:
Consult manufacturer's information.
Application:
Structural steel framing.
| Finish | Semi gloss |
| Color | Full color range, including aluminum light and dark, Flat available on request for limited colors |
| Features | Easy application by roller and airless spray, Unlimited recoatable, Excellent resistance to atmospheric exposure conditions, Good color and gloss retention (aluminum version becomes grey), Non-chalking, non-yellowing, Cures at temperatures down to -5°C (23°F), Tough and abrasion resistant, Resistant to splash of mineral and vegetable oils, paraffins, aliphatic petroleum products and mild chemicals, Can be recoated even after long atmospheric exposure |
| Material | Two component aliphatic acrylic polyurethane |
| Shape | Liquid |
| Uniclass 2015 |
| Product Reference | PPG SigmaDur 520 |
| Colour | Full colour range, including aluminium light and dark. |
| Thickness | 50–75 µm typical |
| Thinner | Not requiredRequired, 21-06Suitable for brush, roller or airless and air spray. |
| Volatile organic compounds | 287–377 g/kg (383–405g/L to EC SED 1999/13/EC) |
| Formulation | Solvent borne |
| Volume solids | 48-58% |
| Standard product features | Colour: Full colour range, including aluminium light and dark, Flat available on request for limited colours. Features:
Finish Semi-gloss. Material Aliphatic acrylic polyurethane finish. |
| Platform | Compatible | Version | Certified to |
|---|---|---|---|
 IFC | - | 1 | 2.1 |
 Revit | - | 1 | 2.1 |