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Copper ions can interfere with the cell metabolism and respiration process of aquatic organisms, inhibit the growth of algae, shellfish, plankton and marine microorganisms, thereby preventing these organisms from attaching to the bottom of the hull.

The impact of harmful substances in marine antifouling paint on the marine ecosystem is one of the main reasons for prohibiting its use. The marine ecosystem is complex and sensitive, and harmful substances in marine antifouling paint may destroy the balance of this system.

For some special ships, such as merchant ships or fishing boats, which have long sailing time and are usually in a harsh environment, these ships may require thicker antifouling paint coatings, and the coating thickness is generally between 250 and 300 microns.