PP-RCT/PP-RF/PP-R, multilayer pipe to convey hot and cold fluids, with an external layer in PP-R mixed with special additives that warranty ultraviolet radiation protection (UV-resistant), ensuring high resistance and durability to direct sunlight exposure, intermediate layer loaded with special fibers and inner layer in PP-RCT WOR (White Oxidation Resistance), inner layer white color, external layer black color.