SPCu-100 is an economical matrix resin product used for tin-free self-polishing paint, it is only suitable for copper-containing formulations and can be blended with various amounts of CDP (Rosin) to satisfy different application requirements. The tin-free self-polishing antifouling coatings prepared by SPCu-100 could possess 3 years performance (the actual antifouling performance determined by paint formulation, ships speed & activity and sailing sea area environment), low VOC and steady polishing rate.