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PPG SIGMADUR 520
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

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
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
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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