METAL CAN WELDED PART REPAIRING FILM

摘要

PROBLEM TO BE SOLVED: To provide a polyester film for repairing a metal can welded part which solves problems on environmental characteristics and corrosion resistance which can not be achieved with a conventional coating type repairing agent and exhibits excellent impact resistance, adhesiveness, etc. SOLUTION: A film with a laminated structure wherein one surface comprises a polyester A with an intrinsic viscosity IV of 0.50-0.80 and an m.p. TmA of 180-245 deg.C and with heat fusing characteristics and another surface comprises a polyester B with an m.p. TmB of TmA+10 deg.C or more is provided and the total thickness of the film is 5-100μm and heat shrinkage of the film is at most 15% in all direction after it is heated at 200 deg.C for 3 min.