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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.

Application:

Structural steel framing.

General information
Finish

Semi-gloss

Features

Aliphatic acrylic polyurethane finish

Two component

Good resistance to atmospheric exposure conditions

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

Up to 10 years durability

Highways Approved Item No. 169

Material

Aliphatic acrylic polyurethane finish

Uniclass 2015
Pr_35_31_22_79 Solvent-based finishing coatsPrimary
Specification data - Solvent-based finishing coats
Product Reference

PPG SigmaDur 520

Colour

Full colour range, including aluminium light and dark.

Thickness

50–75 µm typical

Thinner

Not required

Required, 21-06

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%

Standard product features

Colour:

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

Features:

  • Aliphatic acrylic polyurethane finish.
  • Two component.
  • Good resistance to atmospheric exposure conditions.
  • 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.
  • Up to 10 years durability.
  • Highways Approved Item No. 169.

Finish

Semi-gloss.

Material

Aliphatic acrylic polyurethane finish.

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