RE: [DIYbio] Autoclaving 2d printer cartridges?

[Sebastian Cocioba]

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

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From: jem
Sent: ‎8/‎1/‎2014 6:44 AM
To: diy...@googlegroups.com
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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[Otto Heringer]

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

[Cathal Garvey]

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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>

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