A-D strips (for testing of vinegar syndrome)

Strips A-D (for testing of vinegar syndrome)

Vinegar Syndrome Tester / package 250 pieces

This tester shows the deterioration of the film.
It is a very sensitive indicator and displays in different
colors the presence of the “Vinegar Syndrome”

Manual (English):
https://www.imagepermanenceinstitute.org/webfm_send/309