PPG SigmaCover 400AL

Part A: UN1263 (Class: 3, Pk Grp: III), Part B: UN3469 (Class: 3, Pk Gp: III)
Formerly SigmaCover 640AL and Amerlock 400AL, a 2 pack high performance self priming, high solids epoxy coating containing aluminium.
Available in 4 and 20 Litres in Aluminium
From £65.71 £54.76
In stock
Only %1 left
Product Description

PPG SigmaCover 2 AL LT formally Ameron Amerlock 2 AL, or SigmaCover 400AL. is a high performance, self-priming, abrasion resistant epoxy for coating  areas where chemical spillage and splash damage may be common. M24(XM92) approved.

Best Uses

SigmaCover 2 AL LT SigmaCover 400AL is best used for steel and concrete surfaces which may be susceptible to damage from chemical spillages or splashes such as chemical logistics industries. It is compatible with prepared damp surfaces.


SigmaCover 2 AL LT formally SigmaCover 400AL can be applied using a brush, roller and air or airless spray to leave a semi gloss finish. SigmaCover 2 is a moisture tolerant coating which means that the surface can be slightly damp when painting a situation that often occurs in winter months, Sigmacover 2 AL is also surface tolerant meaning that the surface can be prepared by mechanical wire brush or needle gun rather that having to be shot or sand blasted.

Surface and Environment

SigmaCover 2 AL LT formally SigmaCover 400AL is ideal for concrete and steel surfaces which are susceptible to chemical damage due to the surrounding environment.

Technical Details


  • Formally known as Amerlock 2
  • High performance self priming universal epoxy.
  • Surface tolerant and abrasion resistant.
  • Compatible with prepared damp surfaces.
  • Good adhesion on most existing coatings.
  • Good resistance to splash and spillage of chemicals.

Technical Info

Components: Two Components
Type: High Solids Epoxy Coating
Finish: Semi-Gloss
Stock Colours: Aluminium
Tintable: No
VOC Content: Directive 1999/13/EC, SED: max 157.0 g/kg max 150.0 g/l (approx 1.3lb/US gal)
Volume Solids: 85 +/- 2%
Suitable Substrates: Steel
Application Method: Brush, Roller, Airless Spray or Air Spray
Theoretical Coverage: 6.8m2 per litre at 125 microns
Wet Film Thickness (WFT): -
Dry Film Thickness (DFT): 125 microns (5.0 mils) per coat
Induction Time: -
Pot Life: 4 hours at 20°C
Touch Dry: 6 hours at 20°C
Overcoatable: Minimum 16 hours
Fully Cured: 7 days at 20°C
Cleaner / Thinner: PPG Thinner 90-58
Shelf Life: At least 36 months when stored cool and dry
Packaging: Available in 4 and 20 Litres

The manufacturers data sheets are available for download from this website. It is your responsibility to read and understand all aspects of the data sheets before you place an order and prior to application. Please pay special attention to the preparation, mixing and application temperatures of the product, cleaning of substrate and environmental factors such as temperature, rain etc. Quoted coverage rates are based on the manufacturers theoretical rates and may vary depending upon substrates absorption, texture and application. We always recommend a test is carried out to ensure suitability.

Customer further agrees that Promain have no liability for any errors or omissions contained within the Product Data Sheets and are not liable for failure due to misapplication or inadequate substrate cleaning and preparation. For more information please refer to our Terms & Conditions.

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