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Jotachar 1709 is the mesh free, next generation epoxy passive fire protection (PFP) material for pool fires in the hydrocarbon processing industry. It is designed to protect against hydrocarbon fire scenarios for up to 4 hours as defined in the ANSI/UL 1709 standard.
Jotachar 1709’s continuous application process ensures excellent constructability.
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Jotachar 1709 brochure
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
Lower life cycle cost
The industry’s challenge has been to design an epoxy PFP with low installed weight and the fastest possible installation without additional mesh reinforcement.
Low-cost solutions such as concrete and lightweight cementitious materials are often unable to meet client requirements for long-lasting corrosion protection, durability and low life cycle cost.
Early deterioration of low-cost systems can lead to reduced fire protection, compromising the safety of personnel and the protection of assets and inventory.
Traditional epoxy PFP materials often need additional mesh reinforcement to guarantee certified performance.
Any requirement to install mesh introduces risks associated with omission or incorrect installation.
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 1709’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.
Concrete and cementitious based PFP materials have been widely used in the hydrocarbon processing- and related industries. Whilst they are considered low-cost options, Jotachar 1709 has a number of significant advantages:
Jotachar 1709 provides combined passive fire protection and corrosion protection with low life cycle cost to the asset owner. Savings in installation time and cost are substantial during the property's service life compared to mesh containing epoxy and concrete:
Jotachar 1709 has excellent durability compared to traditional concrete and lightweight cementitious PFP materials.
Whilst these are considered low-cost options, deterioration due to weathering, industrial environments and lack of maintenance can lead to extensive substrate corrosion – as well as compromised safety with potential falling hazard should corrosion occur beneath the PFP.
They also need a waterproof topcoat to improve durability and protect against corrosion, moisture and penetration of liquid hydrocarbon. This is both time consuming and costly.
PRESS RELEASE: Following the success of Jotachar JF750 revolutionary mesh free epoxy passive fire protection coating, Jotun is pleased to announce the introduction of Jotachar 1709, a mesh free epoxy developed specifically for the hydrocarbon processing & energy industries.