Jotun Hardtop Flexi

Part A: UN1263 (Class: 3, Pk Grp: III), Part B: UN1866 (Class: 3, Pk Grp: III)
An industry approved topcoat for metal and coated surfaces subject to highly atmospheric environments.
Available in 5 and 20 Litres
From £95.59 £79.66
In stock
Only %1 left
Product Description

Jotun Hardtop Flexi is a two component industry approved topcoat for metal and coated surfaces subject to highly atmospheric environments

This product is part of the Network Rail/Railtrack RT98 Systems M20, M21, M24, N2 and N4

Jotun Hardtop Flexi is a two component polyurethane coating which has a gloss finish with good gloss retention. Hardtop Flexi has a high solids, high build product that is fast drying and can be used directly onto metal. It is a highly flexible and impact resistant coating which has excellent adhesive properties.

Best Uses

Jotun Hardtop Flexi is recommended for use on the superstructure, topside and container decks of marine vessels. It is also recommended for offshore environments, refineries, power plants, bridges, buildings and a wide range of industrial structures.


Contamination, that could interfere with coating adhesion, should be removed prior to application. Spray application is recommended. Brush and roller application may be used but care must be taken to achieve specified dry film thickness.

Surface and Environment

Jotun Hardtop Flexi is for use on metal surfaces, for example, galvanised, aluminium, stainless steel and coated surfaces within marine and atmospheric environments.

Technical Details


  • Network Rail/Railtrack RT98 Systems M20, M21, M24, N2 and N4
  • Certificate numbers XM92-162, XM92/M21-115, XM92/M24-122, XM92/M24-123, XN90/N2-064 and XN90-084
  • Food, Compliant with USA, FDA Title 21, Part 175.300 for dry solids
  • Low Flame Spread in accordance with EU Directive for Marine Equipment. Approved in accordance with parts 5 and 2 of Annex 1 of IMO 2010 FTP Code, or Parts 5 and 2 of Annex 1 of IMO FTPC when in compliance with IMO 2010 FTP Code Ch. 8

Technical Info

Components: Two Part
Type: Aliphatic acrylic polyurethane coating
Finish: Gloss
Stock Colours: STD038 Grey, White (20L only)
Tintable: Yes. Please note, bespoke tints are non refundable / exchangable.
VOC Content: 353.0g per litre
Volume Solids: 64%
Suitable Substrates: Direct to metal
Application Method: Air Spray, Airless Spray, Brush or Roller
Theoretical Coverage: 13 - 4.3m2 per litre
Wet Film Thickness (WFT): 80 - 230 microns
Dry Film Thickness (DFT): 50 - 150 microns
Induction Time: -
Pot Life: 1 hour at 23°C
Touch Dry: 3 hours at 10°C
Overcoatable: 6 hours at 10°C
Fully Cured: 10 days at 10°C
Cleaner / Thinner: Jotun Thinner No. 10 and Jotun Thinner No. 26
Shelf Life: 24 months for Part A, 48 months for Part B
Packaging: Available in 5 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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