The viscoelastic anti-corrosion adhesive tape is an ideal anti-corrosion product. Widely used in corrosion prevention and repair of the anti-corrosion coating of oil and natural gas pipelines, repair of damaged 3PE anti-corrosion coating, and corrosion protection of irregular equipment such as flanges, valves and pumps. It has unique cold flow property and can repair itself during anti-corrosion and repairing process to achieve complete protection. Due to the excellent chemical resistance and no peel-off of the cathodic protection layer, the product can completely eliminate water intrusion and microbial corrosion and thus ensure unique long-term effect.