Jotun Jotamastic 90 WG Wintergrade

Part A and B: UN1263 (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
From £73.73 £61.44
In stock
Only %1 left
Product Description

Jotun Jotamastic 90 WG is a premium repair, problem solving, maintenance primer is suitable for interior and exterior surfaces for application at temperatures below 0°C.

BBA Approval Logo

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

Best Uses

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

Jotun Jotamastic 90 WG is for use on varying substrate temperatures and is ideal for application in areas which are exposed to adverse atmospheric conditions. Jotun Jotamastic 90 WG 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 WG can be applied using a brush or roller.

Surface and Environment

Jotun Jotamastic 90 WG is designed for use on internal and exterior surfaces. It is available in a variety of colours. Jotun Jotamastic 90 WG 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 M-501 System 1 (Pre Qualified)
  • Norsok M-501 System 7B (Pre Qualified)
  • Norsok M-501 System 8A

Technical Info

Components: Two Part
Type: Polyamine cured epoxy mastic coating
Finish: Semi Gloss
Stock Colours: Black and White
Tintable: No
VOC Content: 213.0g per litre
Volume Solids: 80%
Suitable Substrates: 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: 45mins at 23°C
Touch Dry: 12 hours at 0°C
Overcoatable: 20 hours at 0°C
Fully Cured: 14 days at 0°C
Cleaner / Thinner: Jotun Thinner No. 17
Shelf Life: 24 months
Packaging: Available in 5 and 20 Litres

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