... of ships against vegetation as an effective antifouling agent in marine paint; Formulated with Sodium Pyrithione ,Copper ... industrial chemicals, pharmaceuticals and pesticides,And also used in freezing solutions, electroplating ,steel picking,printing, and ... domestic antifouling paint clients (most manufactures widely spreaded in Guangzhou ,Beihai, Qingdao), if achieving the same antifouling effect ...