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Jotachar JF750 is the industry’s next generation and first mesh free solution for hydrocarbon and jet fires. Jotachar JF750 incorporates an advanced fibre matrix, which eliminates the need for complex mesh reinforcement and the risks associated with mesh installation.
When exposed to a fire, Jotachar JF750 produces a robust and temperature stable insulating char. Installation time is significantly reduced and allows substantial savings in both the material and labour costs of a project.
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Jotachar JF750 brochure
Jotachar JF750 references
Jotun Thermosafe brochure
Jotun Thermosafe leaflet
Technical Data Sheet (English)
Application guide (English)
Jotachar’s mesh free solution provides significant benefits for owners, fabricators and applicators compared to systems that require mesh reinforcement:
Faster project completion
Less downtime, no mesh inspection points
Up to 50% reduction in time and costs
Increased productivity, no mesh installation
Until the introduction of Jotachar JF750, the industry was dependent on epoxy PFP systems that require additional mesh reinforcement to protect assets that may potentially be exposed to explosions, jet fires or hydrocarbon fires.
To avoid any risk of failure when exposed to fire, mesh reinforcement must be correctly installed according to the product’s certification. The consequences of incorrectly installed mesh could be devastating, leading to loss of life, loss of asset, environmental catastrophe and huge financial impact on the asset owner.
Mesh free Jotachar JF750 not only avoids these risks but brings the added benefits of lower life cycle cost, lower maintenance cost and faster project completion.
Left: mesh embedded at the correct depth in the coating Right: mesh embedded too close to the coating surface
Certification rules dictate that mesh reinforcement must be installed at a specific depth within the PFP coating, typically at the middle. If the mesh is not installed at the correct depth, the system will not meet these requirements.
Poor installation of mesh with mesh exposed and detachment of the final coat
Incorrectly installed mesh reinforcement can significantly reduce the cohesive properties between the mesh and the final coat of epoxy PFP. This can lead to detachment and system failure in a fire scenario. Jotachar JF750’s continuous mesh free application eliminates this risk.
1. Damage repair required 2. Remove PFP back to primer and step back 2nd coat of PFP to expose sound mesh layer 3. Apply 1st coat of PFP and apply new mesh 4. Apply 2nd coat of PFP and then topcoat
Mesh containing systems can be difficult to repair as the replacement mesh layer has to follow the same certification rules as the initial layer. This means cutting back to expose undamaged mesh and overlapping with a new mesh layer. If a fire scenario upgrade is required, the mesh should be completely removed and replaced in accordance with the certification rules.
Lack of overlap of mesh results in unpredictable fire performance
The mesh reinforcement must be installed in accordance with strict certification rules depending on fire scenario. It is very difficult to observe if the mesh has been installed correctly or installed at all. Incorrect overlaps or lack of mesh will result in unpredictable fire performance.
Mesh strands exposed – offering a route for moisture to enter the coating
If system terminations are not completed correctly, mesh strands can protrude from the termination point. These exposed strands provide a path for moisture into the coating, leading to poor adhesion, water uptake and reduced fire performance through the life of the system.
Poor adhesion at mesh overlaps – the result of incorrect installation and the source of delays and reworking
At mesh joints an overlap must be introduced according to certification rules. If the overlapping mesh is not correctly installed with adequate adhesion, the upper layer of mesh will lift. This will cause project delay due to rework of the mesh and the subsequent coats.
The rigorous testing programme and independent product assessment undertaken by Jotun is recognised by all the leading classification societies such as: Lloyd's Register, DNV GL, ABS, BV and USCG:
Jotachar JF750, the industry’s first mesh free Passive Fire Protection (PFP) epoxy coating system for structural steel, is rapidly setting new standards in the oil and gas sector – in terms of both its benefits and sales volumes. Launched just two years ago by Jotun, the ground breaking performance coating has already attracted substantial orders from some of the biggest names in the industry.
PRESS RELEASE: Jotachar JF750, the industry’s first and only mesh-free Passive Fire Protection (PFP) for all jet fire scenarios, an epoxy coating system for structural steel, has generated significant industry interest, securing numerous global contracts and praise from applicators, fabrication yards and operators.
The industry’s first mesh-free epoxy passive fire protection coating for jet fires in the oil, gas and energy industries.