The primary reason for tape test failure is low substrate surface energy at the moment of printing, preventing stable molecular bonding between ink and film. When the polymer substrate's energy does not match the ink's surface tension, adhesion remains merely physical and weak. In this state, the mechanical pressure of a standard testing tape acts stronger than the ink’s bond to the surface, causing complete delamination. This phenomenon typically occurs in films with insufficient corona treatment or those exceeding their surface energy shelf life.

To prevent this quality crisis, operators must verify surface tension using dyne pens before production, ensuring a minimum ten-unit difference between substrate dyne and ink tension. If problems arise, utilizing adhesion-promoting additives or increasing the corona unit’s power on-press serves as an immediate corrective measure. Furthermore, calibrating testing tapes according to ASTM standards prevents misinterpretation of results, ensuring the final product maintains color stability under harsh environmental and packaging conditions.