Jotun Barrier 90 is a 2K 8.75L Epoxy Zinc Rich Primer that contains 90% Zinc.
A two-component rich epoxy primer containing a very high amount of zinc dust. It conforms to the compositional requirements of SSPC paint 20, level 1, ISO 12944-5, BS 4652, BS 5493, and AS/NZS 3750.09.1994. It provides excellent corrosion protection as part of a compelte coating system. Use as a primer in atmospheric conditions. Suitable for carbon steel, repair of inorganic zinc silicate coating and damaged galvanised steel substrates.Product complies with ASTM D520 type II zinc dust.
Areas of Use
Jotun's highest specification zinc rich epoxy Barrier 90 may be used as a base coat on blast-cleaned steel. It is important the steel is prepared to SA2.5 using dry blasting (not water jetting), then can be overcoated in 2 hours @ 10°C.
Suitable for structural steel and piping to be eposed to highly corrosive environments, C5I or C5M (ISO 12944-2). Recommended for offshore environments, refineries, power plants, bridges, buildings, mining equipment and general structural steel. Specially designed as a primer in coating systems where extended durability is required. Approved in a range of bridge specifications requiring 90% zinc dust content.
Use in conjunction with Jotamastic 80 or Jotamastic 87 for enhanced corrosion protection.
Standard: Penguard FC
Premium: Hardtop AX
Two-component polyamide cured zinc rich epoxy coating
|Coverage||Approximately 7.1 - 21.2m2 per litre|
|Application||Airless Spray (Brush recommended for stripe coating and small areas)|
|Drying Time||Touch dry in 20 mins @ 10°C hours, Dry to overcoat, minimum - 2 hours @ 10°C, Fully cured in 7 days @ 10°C|
|Mix Ratio||3:1 with Jotun Barrier 77 Comp A with Barrier 77 Comp B|
|Wet Film Thickness (WFT)||
45 - 155 μm
|Dry Film Thickness (DFT)||
25 - 90 μm
|Cleaner/Thinner||Clean directly after using Jotun Thinner No. 17|
Use Airless Spray, using a Brush only for stripe coatings and small areas. Care must be taken to achieve the specified dry film thickness.