TABLE 1.
Reference (PVC) and AF coating characteristics, including measured water contact angles (n = 5)a
| Coating | Manufacturer | Biocide | Mean water contact angle (°) ± SD |
|---|---|---|---|
| PVC | 73.5 ± 1.7 | ||
| IT757 | International Paint Ltd. | 99.6 ± 2.0 | |
| SQT | Jotun | Cu2O-CuPy (ZnO) | 90.9 ± 0.8 |
| IS360 | International Paint Ltd. | Cu2O-ZnPy | 88.2 ± 1.2 |
| NEX | Sigma Coatings | Econea-Sea Nine | 78.5 ± 1.6 |
| SL04A | MAPIEM-USTV | Cu2O-A4S-Sea Nine-Zineb (ZnO) | 81.9 ± 1.8 |
| A3S | Nautix | Cu2O-CuSCN-ZnPy | 83.3 ± 0.9 |
a
Cu2O, copper oxide; CuPy, copper pyrithione; CuSCN, copper thiocyanate; ZnPy, zinc pyrithione. Zinc oxide (ZnO) is not considered a biocide by regulations but was added if present in the coating formulation. IT757 is an FRC.