Topside Paint · Paint & Coating Systems
Hull and tank protection coatings are essential for ensuring the longevity and integrity of maritime vessels. Jotun A/S offers a range of high-performance solutions, including the Jotacote F60 6A/ Jotacote Universal N10/ Jotacote Universal N10/ Hardtop XP, designed to provide robust protection against corrosion and environmental damage. These coatings are IMO-approved, ensuring they meet stringent international standards for marine applications. The Jotacote F60 6A, for instance, is specified with a dry film thickness (DFT) of 100 µm, while the Marathon IQ2 Maximum DFT can reach up to 500 µm, solvent-free and with 98% volume solids. Penguard Primer is typically applied at a DFT of 60–120 µm, ensuring excellent adhesion and corrosion resistance. Common failures in these systems include inadequate film thickness, poor adhesion, incomplete curing, improper surface preparation, holiday defects, and non-compliance with PSPC/IMO standards. Regular inspections are crucial to identify issues such as insufficient DFT, which can be measured using a coating thickness gauge per SSPC-PA2 standards. Adhesion is verified through cross-hatch tests (ASTM D3359), while the hardness of epoxy coatings is assessed using the pencil hardness test (ASTM D3363). Surface preparation must meet ISO 8501-1 and ISO 8503-2 standards, ensuring a suitable roughness for optimal adhesion. Holiday detectors are used to identify pinholes or other defects that can lead to localized corrosion. Service notes recommend inspecting coatings during docking and checking anodes every six months. Immediate touch-up work should be performed on any damage, and antifouling coatings should be renewed at each docking, typically every five years. Keeping touch-up paint and replacement anodes on board is essential for maintaining the integrity of these systems, ensuring they continue to protect your vessel effectively.
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What our service work and the manufacturer documentation say about keeping this model running.
Coating inspection at docking. Anode check every 6 months. Touch-up work immediately on damage. Antifouling renewal at docking (every 5 years).
Jotun A/S: Keep touch-up paint on board for every coating system in use. Anodes as required at docking.
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