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Application

Structural steel framing.

Description

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.

General information

Color

-

Manufacturer guidance

Full colour range, including aluminium light and dark, Flat available on request for limited colours.

Finish

Semi-gloss

Material

Acrylic

Shape

Formless

Uniclass

Pr_35_31_22_79 Solvent-based finishing coatsPrimary

CAWS

G10/630 Galvanizing plus site-applied

G10/640 Shop painting

G10/650 Site painting

G10/660 Shop plus site painting

M60/14 Eggshell/ satin paint

M60/175 Protective coating

M60/18 Special coating

M60/195 Special coating

M61/115 On-site coating to galvanized steel

M61/120 On-site coating to existing steel

M61/140 On-site overcoating to existing steel

M61/150 Off-site coating to unprimed steel

M61/160 Off-site coating to primed steel

M61/170 Off-site coating to galvanized steel

Specification data - Solvent-based finishing coats

Colour

Guidance for specification option:

Full colour range, including aluminium light and dark.

Product Reference

PPG SigmaDur 520

Thickness

50–75 µm typical

Thinner

Not required

Required, 21-06

Guidance for specification option:

Suitable 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%