Marine Coating Systems: anti corrosion
zinc epoxy pu deck to zinc silicate shop primer
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 | primer type | service zone | standard | surface prep iso8501 | surface prep sspc | total dft um (um) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| anti corrosion | zinc epoxy pu deck | brush/roller/spray | 60 | zinc rich epoxy | 120 | epoxy | 60 | polyurethane slip resist | Zinc-rich epoxy + epoxy + polyurethane; deck and topside system with slip-resistant option | 3 | 10 | zinc rich epoxy | deck topside | NORSOK M-501 Ed.7; IMO SOLAS II-2; DNVGL-OTG-13 | Sa 2.5 | SP-10 | 240 |
| anti corrosion | zinc epoxy splash zone | airless spray | 60 | zinc rich epoxy | 250 | high build epoxy | 250 | high build epoxy | Zinc-rich primer + HB epoxy splash zone; offshore jacket system | 3 | 20 | zinc rich epoxy | splash zone | NORSOK M-501 Ed.7 2016; ISO 12944-9:2018 | Sa 2.5 | SP-10 | 560 |
| anti corrosion | zinc silicate shop primer | spray | 20 | inorganic zinc silicate | — | — | — | — | Inorganic zinc silicate shop primer; prefabrication primer | 1 | 2 | inorganic zinc silicate | primer only | NORSOK M-501 Ed.7; ISO 12944-5; SSPC-PS 12 | Sa 2.5 | SP-10 | 20 |
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