Manufacturer: Jotun Paints
Description
Jotamastic 90 is a two component epoxy mastic coating for repair and maintenance. The product is surface tolerant, high solids, high build and tintable in a wide range of colours. Jotamastic 90 is also optimised for short overcoating intervals and may be applied in a wide range of film thicknesses, improving productivity for the customer.
Provides long-lasting protection in environments with high corrosivity.
Available with different hardeners for various substrate temperatures, Standard (Std) and Wintergrade (WG).
- High solids
- Minimal surface preparation
- Tintable
- Short overcoating intervals
- Robust and user friendly application
- Surface tolerant for maintenance and repair
| Application Method | Airless Spray, Brush or Roller |
| Surfaces | Maintenance & Repair / Marine/ buildings |
| VOC Level | 270g/ Litre |
| Coverage | 202g/ Litre |
| Touch Dry | 20 Hours @ 5°C / 1.5 Hours @ 40°C |
| Over-Coating | 30 Hours @ 5°C / 1.5 Hours @ 40°C |
| Maintenance Cycle | Comp A - 4 Years Comp B - 2 Years @ 23°C |
| Thinning & Cleaning | Jotun No.17 |
| Number of Coats | 2 |
Additional Information
Surface Preparation for Jotamastic Range: All surfaces should be clean, free from contamination and be assessed and treated in accordance with ISO 8504.
Bare steel: Cleanliness: Power tool cleaning to min. St 2, mill scale free (ISO 8501-1:1988). Improved surface treatment (blast cleaning to Sa 2½) will improve the performance. In case of hydrojetting the flash rust degree shall not exceed moderate in SSPC and NACE standards for water prepared surfaces.
Shop primed steel: Clean, dry and undamaged approved shopprimer.
Coated surfaces: Clean, dry and undamaged compatible primer. Contact your local Jotun office for more information. For maintenance UHPWJ to WJ2 (NACE No.5/SSPC-SP 12) or Power tool cleaning to min. St 2 for rusted areas.
Typical Paint System: Jotamastic 90 2 x 125 μm (Dry Film Thickness) followed by Hardtop AS 1 x 50 μm (Dry Film Thickness).
Other systems may be specified depending on area of use.
Use: Carbon steel, galvanised steel, stainless steel, aluminium, concrete and a range of aged coating surfaces.
Marine: outside hull, exterior and interior areas.
Protective: offshore environments, including splash zones, refineries, power plants, bridges, buildings, mining equipment and general structural steel.
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