Re: [DIYbio] Autoclaving 2d printer cartridges?

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I think it depends on the structure. ABS doesn't "melt" at autoclave
temperatures, but it enters a glass transition phase (most formulations
of ABS, anyway?), during which it becomes very malleable. I've
autoclaved some small items and found little ill effect except a change
in surface quality, whereas others which had a lot of leverage upon
their bases simply collapsed due to the decreased support.

Specifially, I had a prototype for my DNA model lying around which was
very elongated, and lacked bases linking the helices; I decided to test
autoclaving on that, and the two helices collapsed. Something simple and
fairly low-potential like a dremelfuge is likely to come out more or
less intact, but I did find that surfaces could pit or change;
tolerances, therefore, may also be eroded.

On 04/08/14 20:15, Otto Heringer wrote:
> What autoclave temp do you use, Sebastian!?
> Because I've successfully autoclavated a plenty of 3D printed ABS parts
> (even some PLA, but on a complete closed flask) - but ok, I admit: after
> some autoclavation cicles, things bot a little melted
>
> Em sábado, 2 de agosto de 2014 10h06min16s UTC-3, Sebastian escreveu:
>>
>> The cartridges are probably made of ABS plastic which isn't
>> autoclavable. The best plastic for the autoclave is polypropylene. Also the
>> microfluidic circuits might get damaged by the temp alone. Not sure if it
>> will handle it. Why not a bath in light bleach or print with it using a
>> head cleaning cycle. Maybe hydrogen peroxide?
>>
>> Sebastian S. Cocioba
>> CEO & Founder
>> New York Botanics, LLC
>> Plant Biotech R&D
>> ------------------------------
>> From: jem <javascript:>
>> Sent: ‎8/‎1/‎2014 6:44 AM
>> To: diy...@googlegroups.com <javascript:>
>> Subject: [DIYbio] Autoclaving 2d printer cartridges?
>>
>> ello!
>>
>> Has anyone done this? I have put together a couple of diybio machines and
>> I integrated one with a 3d printer as hey it was easier than all the fiddly
>> wiring with the cd drives. So I was looking at autoclaving these
>> cartridges... has anyone tried this and did they work afterwards? I was
>> going to remove the electronics on the bottom but I suspect reattaching
>> them will not be feasible...
>>
>> Thanks,
>> jem
>>
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