Ecoshield is ideally suited for thruster tunnel protection. The coating is both flexible and tough. It provides an impenetrable protective layer while its flexibility permits the absorption of the cavitation forces caused by the thruster’s propeller blades.
This was confirmed during tests conducted in a flow channel. These tests were divided into six stages during which the coating was exposed to an increasing pressure drop, creating a growing cavitation force. Even after the last stage no erosion was present on the test patch coated with Ecospeed. These tests were organized by the French Ministry of Defense and carried out in Grenoble.
Because of this resistance, Ecoshield prevents the damage that is normally caused by cavitation, ensuring lasting protection. If the cavitation cannot pierce the coating then no erosion or corrosion can occur.
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