Compare the full proposed bondlineIllustrative common thickness basis1080: 77 µm per plyTwo plies = 154 µm2116: 138 µm per plyOne ply = 138 µmAgainst a 150 µm target: +4 µm versus −12 µmThis dimensional comparison does not approve substitution.³Ô¹Ïtv · Original engineering schematic · Illustrative, not to scale