I use these but the ESD version from RS and they are properly sealed. The seal is on the lid itself so that small portion will evaporate and you need a few pumps to get it back up (this sounds soooo wrong ) the longest I’ve left the IPA on was for 3 weeks and when back it was still topped up.
On Wed, 28 Jan 2026 at 21:15, Jean-Pierre Desrochers via Synth-diy <synth-diy@synth-diy.org> wrote:
________________________________________________________Does anybody use this type of alcool dispenser
with no inside evaporation over time ?
Last year I ordered around 4 of these dispensers
on Aliexpress for my alcool and Windex needs while cleaning things.But the one who actually stores alcool (IPA)
get its inside drying up over time and the alcool level
goes down and exceeds the inside pulling pipe
making it unusable.
To keep the alcool from evaporating I need
to wrap a thin plastic over all the top ending.(!!)
A good brand would help me.Thanks.
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