[chbot] 3D print a small 'rubber' part

[Cass Jones]

Could you print a 2 part mold in plastic, cover the surface in mold release and fill it full of RTV silicon?

On 2 October 2024 1:31:05 pm NZDT, Robin Gilks <gb7ipd at gmail.com> wrote:
>Greetings
>
>Rubber in quotes as I know you can't print rubber but is there someone on
>the list who has tried 'rubbery' (silicone, elastomers) filament to produce
>a replacement seal in a valve for my swimming pool auto-dosing device.
>
>What's happened is that the sodium hypochlorite has crystallized in the
>valve where it mixes with the hydrochloric acid. This has jammed one of the
>two valves (one for each liquid) and it's been like that for so long
>(probably up to a year) the rubber seal on the end of the solenoid plunger
>has distorted (it should be cup shaped but it's now an inverted cup).
>
>I really want to avoid the AU$430 + GST + shipping for a replacement valve
>for the sake of a 20c bit of rubber that is all of 12mm diameter and 6mm
>thick (even if it's an interesting shape).
>
>Any ideas of getting the rubber back to its original shape also considered
>
>Cheers
>
>-- 
>Robin Gilks
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