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PPG - Sigmacover 2 - Epoxy Coating - Standard Colours
  • PPG - Sigmacover 2 - Epoxy Coating - Standard Colours

PPG - Sigmacover 2 (Amerlock 2)

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£62.37
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£74.84 Tax incl.

PPG - Sigmacover 2 (Amerlock 2) is a two component high solids epoxy coating for substrates including carbon steel, concrete, masonry, galvanised steel, non-ferrous metal and stainless steel.

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PPG - Sigmacover 2 (Amerlock 2) is a two component high solids epoxy coating for substrates including carbon steel, concrete, masonry, galvanised steel, non-ferrous metal and stainless steel.

Features

  • Low-temperature curing down to 0°C (32°F)
  • High performance self priming universal epoxy
  • High solids, low VOC
  • Surface tolerant and abrasion resistant
  • Compatible with prepared, damp surfaces
  • Good adhesion on most existing coatings
  • Good resistance to splash and spillage of chemicals
  • Meets NSF Standard 61 for tanks, pipes, valves and fittings (US manufacturing only)
  • Proven coating as a bulk rail lining and DTM exterior coating

Recommended Substrate Conditions and Temperatures

  • Coating performance is proportional to the degree of surface preparation. Remove all loose paint, mill scale, and rust. The surface to be coated must be dimensionally stable, dry, clean and free of grease, oil, and other foreign materials. When proper abrasive blast surface preparation is not practical, surfaces should be chipped clean and wire brushed to bare, clean material

Carbon steel:

  • For immersion service: steel; blast cleaned to ISO-Sa2½ (SSPC SP-10)
  • For atmospheric service, abrasive blast to ISO-Sa2½ or minimum SSPC SP-6, power tool cleaned to ISO-St3 (SSPC SP-3) or hand tool cleaned to ISO-St2 (SSPC SP-2) or ultra-high pressure water jet to SSPC SP WJ-2(L) / NACE WJ-2(L)

Concrete / Masonry:

  • Remove grease, oil and other penetrating contaminants according to ASTM D4258
  • Abrade the surface per ASTM D4259 to remove all chalk and surface glaze or laitance. Achieve surface profile - ICRI CSP 3 to 5
  • Fill voids as necessary with AMERCOAT 114 A epoxy filler
  • Maximum recommended moisture transmission rate is 3 lbs / 1,000 ft2 / 24 hours by moisture transmission test (ASTM F1869, calcium chloride test or by ASTM D4263, plastic sheet test)
  • Alternatively, ASTM D4944 (Calcium Carbide Gas method) can be used, moisture content should not exceed 4%

Galvanized steel:

  • Remove oil or soap film with detergent or emulsion cleaner
  • Lightly abrasive blast with a fine abrasive in accordance with SSPC SP-16 guidelines to achieve a profile of 40 - 75 µm (1.5 - 3.0 mils). When light abrasive blasting is not possible, galvanizing can be treated with a suitable zinc phosphate conversion coating
  • Galvanizing that has had at least 12 months of exterior weathering may be coated after power washing to remove all contaminants and white rust

Non-ferrous metals and stainless steel:

  • Remove all rust, dirt, moisture, grease or other contaminants from the surface
  • Lightly abrasive blast with a fine abrasive in accordance with SSPC SP-16 guidelines to achieve a profile of 40 - 100 µm (1.5 - 4.0 mils)

Aged coatings and repairs:

  • Aged suitable coating must be dry and free from any contamination
  • For single-pack coatings, extra precautions are necessary

System Specification

Primers:

  • Direct to substrate; DIMETCOTE Series, AMERCOAT 68 Series, AMERLOCK 2 / 400 Series, SIGMAZINC Series, AMERCOAT Epoxies and SIGMA Epoxies.

Topcoats:

  • AMERCOAT 450 Series, SIGMADUR Series, SIGMACOVER Epoxies, AMERCOAT Epoxies, AMERSHIELD and PSX 700.


Instructions for Use

Mixing ratio by volume: base to hardener 50:50 (1:1)

  • The paint should be stirred well before use, preferably by means of a mechanical mixer, to ensure homogeneity
  • Add hardener to base and continue stirring until homogeneous

Application

Air Spray

Recommended thinner

Volume of thinner

0 - 10%, depending on required thickness and application conditions

Airless spray

Recommended thinner

Volume of thinner

0 - 5%, depending on required thickness and application conditions

Nozzle orifice

Approx. 0.48 mm (0.019 in)

Nozzle pressure

15.0 - 18.0 MPa (approx. 150 - 180 bar; 2176 - 2611 p.s.i.)

Brush/roller

  • Apply evenly using a well-loaded brush or roller
  • Application by brush or roller will provide approximately 80 µm (3.1 mils) DFT in a single-coat application

Cleaning Solvent

PPG Paints
PPG-SC2

Specific References

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PPG - Sigmacover 2 (Amerlock 2)

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PPG - Sigmacover 2 - Epoxy Coating - Standard Colours

PPG - Sigmacover 2 (Amerlock 2)

£62.37
Tax excluded
£74.84 Tax incl.