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popularMaroonDeer2762 posted Yesterday 07:08 PM
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popularMaroonDeer2762 posted Yesterday 07:08 PM

Siraya Tech Fibreheart PPA-CF 3D Printing Filament - Extreme Performance 15% Carbon-Fiber Filled for Engineering / Functional Parts

$52

$70

25% off
Amazon
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One of the highest rated PPA-CF filaments by the well-regarded MyTechFun filament review channel:

https://youtu.be/nM0GR_x2iQs

I have used filament like this to print exhaust parts for my generator, functional parts for my car, among other things. Parts Clink like metal, are as light as PLA, and nearly as strong as aluminium. Easy to print on enclosed machines with a hardened nozzle. It is a fantastic filament if you have the need for extreme heat resistance and strength

https://www.amazon.com/dp/B0DKW7B6NT
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About the Poster
One of the highest rated PPA-CF filaments by the well-regarded MyTechFun filament review channel:

https://youtu.be/nM0GR_x2iQs

I have used filament like this to print exhaust parts for my generator, functional parts for my car, among other things. Parts Clink like metal, are as light as PLA, and nearly as strong as aluminium. Easy to print on enclosed machines with a hardened nozzle. It is a fantastic filament if you have the need for extreme heat resistance and strength

https://www.amazon.com/dp/B0DKW7B6NT

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Model: Siraya Tech Fibreheart PPA-CF 3D Printing Filament: Industrial-Grade Carbon Fiber Nylon, Superior Strength & Heat Resistance - The High Performance PAHT-CF (1kg, Black)

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Sort: Lowest to Highest | Last Updated 1/23/2026, 08:01 PM
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Today 02:48 AM
3,466 Posts
Joined Feb 2008
overzeetopToday 02:48 AM
3,466 Posts
It's been this cheap (or close) recently, but I've been wanting to try it. My printer only goes to 295C officially, but I think it tends to print "hot" (higher actual temp than indicated) so I'm hoping it will work if I keep the speed low.
Today 02:50 AM
34 Posts
Joined Dec 2011
EDUBBS37Today 02:50 AM
34 Posts
Quote from overzeetop :
It's been this cheap (or close) recently, but I've been wanting to try it. My printer only goes to 295C officially, but I think it tends to print "hot" (higher actual temp than indicated) so I'm hoping it will work if I keep the speed low.
I see they have the Glass Filled a few dollars cheaper. I love GF more than CF. I wonder if it still makes that metal sound?
Today 06:41 AM
172 Posts
Joined Sep 2009
AlwaysInPainToday 06:41 AM
172 Posts
I'm just not on board with the whole filled filament crowd. This video made it an even stronger case for me.
https://youtu.be/w7JperqVfXI?si=8PPpK9QnbYKI_3Ln
Today 06:48 AM
19 Posts
Joined Sep 2016
inefficientToday 06:48 AM
19 Posts
Quote from AlwaysInPain :
I'm just not on board with the whole filled filament crowd. This video made it an even stronger case for me.
https://youtu.be/w7JperqVfXI?si=8PPpK9QnbYKI_3Ln
I've done stuff with industrial SLS printing and home fused filament printing, and what not- the thing I've found with pretty much all glass/carbon filled filament is that it doesn't do much unless you're annealing the print after printing. It also doesn't do jack shit for compressive strength, only shear and tension.

EDIT: nylon and other polyamides do need two things to be printed well: HIGH heat (that 300* on the box is no joke) and VERY Dry. If you don't have a dryer that can spool out while printing, you'll probably end up with stringing in a couple hours if the RH% is above 25-30.
Last edited by inefficient January 24, 2026 at 12:23 AM.

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