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. 2023 Jan 12;16(2):748. doi: 10.3390/ma16020748

Table 3.

Analysis of the step times and consumed items for the production and painting processes. The consumption values must be intended for 1 m2 of hull surface, while times refer to entire stage duration. Please consider that all the steps are the same for both paints.

Step Time [h] Item Consumption
1 Boat transport for painting 0.5 Diesel [L] 3.81 × 10−2
Boat cleaning 2.0 LV electricity [kWh] 1.62 × 10−1
Water [L] 1.14 × 101
2 Paint removal 80.0 Abrasive disc [pcs] 1 2.86
Compressed air [L] 2 2.22 × 104
3 Preparation of the surface to be painted 12.0 Abrasive disc [pcs] 3 2.86 × 10−1
Compressed air [L] 2 3.33 × 103
4 Covering of the remaining surface 0.67 Paper scotch [kg] 4 3.81 × 10−3
Plastic sheet [kg] 5 7.87 × 10−3
5 Primer and thinner application 3.0 Compressed air [L] 2 1.13 × 104
Gelshield 200 [kg] 2.20 × 10−1
Thinner [kg] 3.14 × 10−2
6 Coating 3.0 Compressed air [L] 2 1.13 × 104
EXP paint [kg] 6 9.95 × 10−2
TRD paint [kg] 7 4.42 × 10−2
7 Boat transport for sealing 0.5 Diesel [L] 3.81 × 10−2

1 Abrasive grit 60. 225 mm diameter. Corresponding to a weight of ~0.101 kg/m2 hull surface. 2 Supplied in low pressure, both for the pneumatic orbital sander and for the painting system with spray gun. 3 Abrasive grit 120. 225 mm diameter. Corresponding to a weight of ~0.007 kg/m2 hull surface. 4 Weight corresponding to a consumption of ~0.95 m of paper scotch, 50 mm-wide, for every m2 of hull. 5 Weight corresponding to a consumption of ~1.43 m2 of plastic sheet for every m2 of hull. 6 1 kg of EXP paint is necessary to cover a hull surface of 10.05 m2, or 10.45 kg for the entire yacht. 7 According to technical datasheet, 1 kg of TRD paint is necessary to cover a hull surface of 22.60 m2, or 4.65 kg for the entire yacht, with a thickness of the painting of 20 µm.