Sherwin Williams Macropoxy 400 - Formerly Leighs Epigrip C400V3

Part A and B: UN1263 (Class: 3, Pk Grp: III)
A multi functional epoxy coating suitable for the protection of steelwork in a range of exposure environments from C1 to C5.
Available in 5 and 20 Litres
From £119.74 £99.78
In stock
Only %1 left
Product Description

Sherwin Williams Macropoxy 400 is a multi functional epoxy coating suitable for the protection of steelwork in a range of exposure environments from C1 to C5 as defined in ISO12944.

Best Uses

Suitable for use in buildings, car parks, petrochemical plants, breweries and power stations. Sherwin Williams Macropoxy 400 is often specified as a primer for structural steel on blast cleaned steel for both internal and external environments. Also suitable as as an high build intermediate coat as well as final coat where a low sheen industrial and functional finish is required.


Can be applied by airless spray, conventional spray, brush or roller. Use Sherwin Williams Thinner No 2 for thinning or No 9 / No 13 for cleaning. Where a high degree of gloss and colour retention is required overcoat with Acrolon C137V2, Acrolon C237, Acrolon 1850 and Acrolon 7300 within 7 days.

Technical Details

Certifications and Approvals

  • BS476 Part 7 - Surface Spread of Flame
  • BS6853 Appendix D - Smoke Emissions (For further details on substrate contact our technical team)
  • Norsok M-501 System 8A

Technical Information

Components: Two Pack
Type: Epoxy Zinc Phosphate
Finish: -
Stock Colours: Limited range including MIO shades
Tintable: No
VOC Content: 257 gms/litre
Volume Solids: 70 ± 3%
Suitable Substrates: Carbon Steel
Application Method: Brush, Roller, Airless Spray or Conventional Spray
Theoretical Coverage: 9.33m2/ltr
Wet Film Thickness (WFT): 107 microns
Dry Film Thickness (DFT): 75 microns
Induction Time: -
Pot Life: 2½ hours at 15°C
Touch Dry: 1½ hours at 15°C
Overcoatable: 5 hours at 15°C
To Handle: 15 hours at 15°C
Cleaner / Thinner:

Thinner No9 or No13 (for cleaning) 

Thinner No2 (for thinning)

Shelf Life: 2 years from date of production unopened or 'use by' date where specified
Packaging: Available in 5 Litres 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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