Marine Coating Systems: maintenance_systems
Marine protective and anti-fouling coating system specifications per NORSOK M-501 Ed.7, ISO 12944-5/9:2018, and IMO AFS Convention 2001. Covers anti-fouling types (self-polishing copolymer SPC with copper/booster biocides, tin-free ablative, hard copper, silicone fouling-release, biocide-free hydrogel), anti-corrosion systems by zone (atmospheric, immersed, splash, deck, topside), thermal spray aluminum (TSA), specialty coatings (ballast tank PSPC, cargo tank, subsea FBE riser, ice-class, anti-condensation), and maintenance systems. Attributes include surface preparation grade (ISO 8501-1 Sa 2.5/Sa 3), DFT per coat and total DFT in microns, number of coats, application method, and design service life.
| coating category | coating system | application method | coat 1 dft um (um) | coat 1 type | coat 2 dft um (um) | coat 2 type | coat 3 dft um (um) | coat 3 type | coating description | coats (dimensionless) | design life yr | notes | primer type | service zone | surface prep iso8501 | surface prep sspc | total dft um (um) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| maintenance_systems | full_system_overcoat | brush/roller/spray | 40 | epoxy_compatibility_primer | 160 | high_build_epoxy | 50 | polyurethane | Full area overcoating of aged intact coating; zone-dependent maintenance | 3 | 7 | Adhesion testing per ISO 16276; compatible with existing system; lower cost alternative to full blast; limited by existing system condition | epoxy_compatibility_primer | all_zones | hand_tool_clean | SP-2 | 250 |
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