- Be careful with Goo Gone, Goof Off and similar products. They used to be petroleum-derived solvents similar to paint thinner but some at least have now adopted an "environmentally friendly" formula based on citrus oil that leaves a greasy and apparently indelible residue.
- One of the best things for loosening stuck-on stuff is Trisodium phosphate, available as the detergent Alconox. Soaked in a 5% solution overnight, everything detaches from everything else - labels from glass bottles, stickers from folders and so on.
- Acetone (nail-polish remover) works well on most adhesives and hardened latex (which is what rubber bands are), and doesn't damage shells. The same is true of Toluene, available as fiberglass thinner, but it's a bit less safe. Work outdoors with either of those.
Paul Callomon
Collection Manager, Malacology and General Invertebrates
Academy of Natural Sciences of Drexel University, Philadelphia
1900 Benjamin Franklin Parkway, Philadelphia PA 19103-1195, USA
[log in to unmask] Tel 215-405-5096 - Fax 215-299-1170
-----Original Message-----
From: Conchologists List <[log in to unmask]> On Behalf Of José H Leal
Sent: Thursday, February 20, 2020 5:50 PM
To: [log in to unmask]
Subject: Re: [CONCH-L] Rubber band removal
External.
Hi, try an ultrasound jewelry cleaner, with the valves submerged in some neutral liquid soap. At the N Shell Museum we received a good collection of small wentletraps that had each been stuck to a board with green plasticine, now dry. Ultrasound helped.
Sent from my iPhone
> On Feb 20, 2020, at 5:37 PM, Joseph Brunner <[log in to unmask]> wrote:
>
> I’ve received a box of bivalves collected in the 1980’s and held closed at the time with rubber bands. Does anyone have a method of getting rid of the rubber bands while preserving the shell? I’ve tried bleach, Acid Magic, and just plain soaking.
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