Butyllic Rubber Mastic for corrosion protection of buried and submerged pipes, pipe installations (fittings, bends, tees, flanges, valves, etc.) or other kinds of metallic structures, with an operating temperature that does not exceed 70º C. Composed of butyllic rubber, a blend of synthetic resins, and plasticizers, which affords it a high malleability, and along with its cold application, ensure a respectful product towards the environment, obtaining excellent results in the most demanding conditions. Meets EN 12068 Class C 50 requirements if used along with ECOTAPE Tapes System EN 12068 C50