@John Bragg and @AgX gave you the solutions I was going to suggest. Sodium carbonate solution, as hot as your hands can take, and scrub with a toothbrush. Dawn Dish soap, the kind for hand washing your dishes, is a good alternative to the sodium carbonate, because it cuts through oils and food residue (and gelatin is, chemically, food residue) and then rinses away cleanly.
Simple answer to sticky plastic reel's, take a lead pencil,run the pencil around the groves, works a treat every time, Ihave been doimg this for 50 years, I never scrub a reel with a tooth brush, never have, I soak my reels in wetting agent, never soak them in anything, all I have ever done is use the pencil, and I can't remember the last time I had a film stick, either 120 or 35mm, average time to ;load reel around 45 seconds,try it
You dont dump the whole bottle, I use less than 50ml and mix it with hot water when I clean em twice a month. Tried the pencil trick, now that was a waste of graphite.
You dont dump the whole bottle, I use less than 50ml and mix it with hot water when I clean em twice a month. Tried the pencil trick, now that was a waste of graphite.
Pencil works for me and has worked for 50 years or more, and as a non drinker I meant that alcohal is better used in hand sanitiser these days, but sharp pencil in the groves of any plastic reel and never had a stuck film apart from once 50 years ago, when a photographer showed me how to use the pencil, not one stuck film since