[sdiy] disgusting sticky rubber wheels solution found

Thu Dec 28 20:31:48 CET 2023

FS: Vintage analog cult synth - kept in a smoke, animal, salad dressing free studio...

-----Original Message-----
From: Synth-diy <synth-diy-bounces at synth-diy.org> On Behalf Of gjames at kddlab.com
Sent: Thursday, December 28, 2023 1:02 PM
To: 'cheater cheater' <cheater00social at gmail.com>; 'Benjamin Tremblay' <btremblay at me.com>
Cc: 'Synth DIY' <synth-diy at synth-diy.org>
Subject: Re: [sdiy] disgusting sticky rubber wheels solution found

Ben,

It's called "cleaning vinegar" here in the US. Other varieties can be bought that are food grade, but this is the cheapest. ~$20/gal.

Greg

-----Original Message-----
From: Synth-diy <synth-diy-bounces at synth-diy.org> On Behalf Of cheater cheater via Synth-diy
Sent: Thursday, December 28, 2023 12:31 PM
To: Benjamin Tremblay <btremblay at me.com>
Cc: Synth DIY <synth-diy at synth-diy.org>
Subject: Re: [sdiy] disgusting sticky rubber wheels solution found

> I cannot buy concentrated vinegar here in the USA

why not?

On Thu, Dec 28, 2023 at 3:26 PM Benjamin Tremblay via Synth-diy <synth-diy at synth-diy.org> wrote:
>
> I cannot buy concentrated vinegar here in the USA but yes, this approach is similar to a problem I had with m-audio control wheels and elbow grease with a chamois is effective.
> Benjamin Tremblay
>
> > On Dec 28, 2023, at 7:59 AM, Florian Anwander <fanwander at mnet-online.de> wrote:
> >
> > 
> > I talked to someone who is doing enclosure manufacturing, and he said, that basically the idea of using those soft plastics isn't good. Those materials require so called plasticizers (softeners). These diffuse towards the surface at room temperature, where they then evaporate - normally. If the material is not ventilated, the plasticizers dissolve the top layer of the plastic quite quickly, which then becomes sticky. If the material can ventilate, it becomes brittle and fragile. Neither is a good option.
> >
> >
> >> Am 28.12.23 um 12:14 schrieb Mattias Rickardsson:
> >> Is there any knowledge of what's causing this stickiness? It doesn't happen to every unit in a similar way.
> >>
> >> Somehow it seems like sunlight could be one cause, gear sitting 
> >> unused possibly another, and also possibly lack of ventilation 
> >> (gear stowed away in storage/boxes/plastic bags). Perhaps also 
> >> grease/dirt from earlier use. But are there some facts? :-)
> >>
> >> /mr
> >>
> >
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