3D printing in "delrin"

[Alex J Lennon]

Hi all,

A pal of mine asked if I know anybody who can print in "delrin"

Means nothing to me but I thought some of the experts here might have an
idea?

Cheers!

Alex

[Andy Green]

Alex,

A quick search for Delrin filaments throws up Acetal, which is similar but not the same. We're they specific about it being Delrin?

In principle, the Ultimakers at DoES should be able to print in  Acetal (available at amazon amongst others), though apparently print bed adhesion can be a problem.  

Hope this help,

Andy Green

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[jacki...@hotmail.com]

I found this at lunchtime: https://all3dp.com/2/delrin-3d-printing-filament/

As Andy says, it does sound possible, but with print bed issues (I'm not surprised, as Delrin is very non-sticky). Most worrying bit is "Keep in mind  that if POM gets overheated, it will produce formaldehyde fumes that are dangerous to inhale."

[Alex J Lennon]

Thanks Jackie, Andy! That's really helpful. Have passed that along to my friend :)))

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[Karl Dunkerley]

Took me a while to remember where I had heard the name Delrin and it has just hit me. Delrin is excellent for making laser-carved stamps. It is very tough but flexible. I bought a sheet and made a stamp so my sister could use it for stamping her logo into hard leather.

I don't recall seeing anything other that sheets of it though. Dont'e remember seeing it in reels. Not sure it would be easy to use for 3D.

[Alex Lennon]

Thanks Karl - so maybe a laser cutter would work with it ?

On 27 May 2023, at 08:33, Karl Dunkerley <karldu...@gmail.com> wrote:

Took me a while to remember where I had heard the name Delrin and it has just hit me. Delrin is excellent for making laser-carved stamps. It is very tough but flexible. I bought a sheet and made a stamp so my sister could use it for stamping her logo into hard leather.

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[Sean Jarman]

Not so sure about lasering Delrin, formaldehyde is one of the thermal decomposition products...   

Sean

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[Alex J Lennon]

Hummm yes

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[jacki...@hotmail.com]

I have laser cut Acetal before, as have Aeternum. It cuts really well. Bit concerned about the formaldehyde now though.

[Karl Gmail]

I lasered it cleanly. Doesn't have that brittleness that normal laserable plastics do so you can use it in a press.

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[Karl Gmail]

You wouldn't use it for large structures so the amount is miniscule.

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