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Annealing PA6-CF

steelworker

Retired-not in a hurry anymore

Joined: Mar 2015

Posts: 5055

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IN, USA

Posted: 7/9/2026 11:31:59 AM EDT

Attempting my first PA6-CF print today.

FTN4.5 30 cal can.

So far it’s looking great.

Assuming it prints correctly, how necessary is annealing?

Also, about the only way I can keep it warm at the somewhat proper temperature is to use the print bed.

Is that an okay option?

Any annealing advice is appreciated.

-Obsessed-

Username checks out.

Joined: May 2017

Posts: 29027

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OH, USA

Posted: 7/9/2026 12:10:15 PM EDT

[Last Edit: -Obsessed-][Edited] [#1]

Read this.

Blob's second post (oddly labeled post #1 on the forum view) is a PA6-CF crash course.

https://www.ar15.com/forums/General/3D2A-FAQ/194-2834269/

steelworker

Retired-not in a hurry anymore

Joined: Mar 2015

Posts: 5056

EE: 100% (72)

IN, USA

Posted: 7/9/2026 1:42:07 PM EDT

[#2]

Quote History

Originally Posted By -Obsessed-:
Read this.

Blob's second post (oddly labeled post #1 on the forum view) is a PA6-CF crash course.

https://www.ar15.com/forums/General/3D2A-FAQ/194-2834269/

View Quote

Thank you sir!

Blob

Grunt

Joined: Jun 2008

Posts: 9341

EE: 100% (24)

KY, USA

Posted: 7/9/2026 2:01:17 PM EDT

[Last Edit: Blob][Edited] [#3]

I would highly recommend it, especially for suppressor use. Heat resistance goes waaaayyy up.

You could use the print bed in a pinch, just want to make sure it's covered pretty well to keep the heat inside.

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Annealing PA6-CF

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Annealing PA6-CF