The adhesives appear to be very robust with good adhesion to the film. To a lesser extent the binders hold together well, although there may be some irregular separation of the binder near the adhesive layer. Magnetic stripe lift on 8mm film showing the adhesive layer and magnetic binder residues. Working over short sections, about 25mm at a time, the MEK is brushed onto the adhesive with a small paintbrush taking care not to work the surface too hard otherwise the adhesive and any binder residue would lift making the final stripe uneven in height. After the MEK is applied the stripe is carefuly realigned the original distance in from the edge of the film.
Slight pressure is applied to the stripe for a few seconds before the next section is worked on.
Care is needed to prevent undue stretching of the stripe. While the adhesion of the readhered stripe is relatively strong it is possible to remove the stripe. Care in handling the repaired film is essential. Methyl Ethyl Ketone requires careful handling. Obtain and study a relevant Material Safety Data Sheet before using.