Jotun Jotamastic 90

Part A: UN1263 (Class: 3, Pk Grp: III), Part B: UN3469 (Class: 3, Pk Grp: III)
A corrosion, abrasion, chemical and water resistant coating, suitable for interior and exterior use.
Available in 5 and 20 Litres in a wide range of colours
From £88.63 £73.86
In stock
Only %1 left
Product Description

Jotun Jotamastic 90 is a premium repair, problem solving, maintenance primer is suitable for interior and exterior surfaces.

BBA Approval Logo

This product is part of the Network Rail/Railtrack RT98 Systems M20 and M24

Jotun Jotamastic 90 is a two component surface tolerant coating. It has a high solids formula and is polyamide cured, epoxy mastic system. Jotamastic 90 can applied is part of a complete system which has been developed to inhibit the spread of flame in internal and external environments.

Best Uses

Jotun Jotamastic 90 is available with the option of a standard or winter grade hardener. It is for use on varying substrate temperatures and is ideal for application in areas which are exposed to adverse atmospheric conditions. Jotun Jotamastic 90 is a premium repair, problem solving and maintenance primer for most environments, offering a variety of benefits including corrosion resistance and chemical resistance.


Jotun Jotamastic 90 can be applied using a brush or roller.

Surface and Environment

Jotun Jotamastic 90 is designed for use on internal and exterior surfaces. It is available in a variety of colours. Jotun Jotamastic 90 can be applied to properly prepared, carbon, galvanised, stainless and blasted steel surfaces. It is also suitable for aluminium, concrete and a range of aged coated surfaces. With excellent freshwater and salt water resistance, this product is ideal for application to structural steel found in marine and offshore environments.

Technical Details


  • This product is part of the Network Rail/Railtrack RT98 Systems M20 and M24
  • Certificate numbers XM92/M20-168, XM92/M24-169 and XM92/M24-170
  • Highways Approved HA Item No 116
  • BBA HAPAS certified for corrosion protection of structural steelwork in highway application
  • Approved for PSPC for Crude Oil Tanks according to IMO Res. MSC 288(87)
  • NORSOK System 1, Rev.5
  • 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: Solvent free amine cured phenolic / novolac epoxy coating
Finish: Semi Gloss
Stock Colours: Black, White
Tintable: Yes, to RAL and BS Colours. Please note, bespoke tints are non refundable / exchangable.
VOC Content: 234.0g per litre
Volume Solids: 80%
Suitable Substrates: Properly prepared carbon steel, galvanised steel, stainless steel, aluminium, concrete and a range of aged coating surfaces
Application Method: Airless Spray, Brush or Roller
Theoretical Coverage: 8 - 2.7m2 per litre
Wet Film Thickness (WFT): 125 - 375 microns
Dry Film Thickness (DFT): 100 - 300 microns
Induction Time: -
Pot Life: 2 hours at 23°C
Touch Dry: 12 hours at 10°C
Overcoatable: 10 hours at 10°C
Fully Cured: 14 days at 10°C
Cleaner / Thinner: Jotun Thinner No. 17
Shelf Life: 48 months
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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