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PPA-CF filament

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  PPA-CF filament Andy Burns <usenet@andyburns.uk> - 2026-06-19 10:36 +0100
    Re: PPA-CF filament The Natural Philosopher <tnp@invalid.invalid> - 2026-06-19 12:45 +0100
      Re: PPA-CF filament Andy Burns <usenet@andyburns.uk> - 2026-06-19 15:09 +0100
        Re: PPA-CF filament not@telling.you.invalid (Computer Nerd Kev) - 2026-06-20 09:19 +1000
          Re: PPA-CF filament Andy Burns <usenet@andyburns.uk> - 2026-06-20 10:01 +0100
            Re: PPA-CF filament not@telling.you.invalid (Computer Nerd Kev) - 2026-06-21 09:51 +1000
              Re: PPA-CF filament Andy Burns <usenet@andyburns.uk> - 2026-06-21 09:44 +0100

#103 — PPA-CF filament

I need to print something for outdoor use, have prototyped it using PETG 
but after a couple of months it's started going a bit crunchy, so I need 
to reprint using a better filament.

My printer has a 300°C hot end, and I've got some hardened steel nozzles 
somewhere, thinking of

<https://siraya.tech/products/siraya-tech-fibreheart-ppa-nylon-based-paht-cf-core-3d-printing-filament>

Which doesn't specifically mention that it requires an enclosure (mine 
is an open bed-slinger), anyone tried it?

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#104

On 19/06/2026 10:36, Andy Burns wrote:
> I need to print something for outdoor use, have prototyped it using PETG 
> but after a couple of months it's started going a bit crunchy, so I need 
> to reprint using a better filament.
> 
> My printer has a 300°C hot end, and I've got some hardened steel nozzles 
> somewhere, thinking of
> 
> <https://siraya.tech/products/siraya-tech-fibreheart-ppa-nylon-based-paht-cf-core-3d-printing-filament>
> 
> Which doesn't specifically mention that it requires an enclosure (mine 
> is an open bed-slinger), anyone tried it?
> 
> 
> 
> 
I bought ASA for this purpose. Haven't tried it yet. You can shroud an 
open frame printer in e.g. cardboard or polystyrene foam scraps

-- 
“Ideas are inherently conservative. They yield not to the attack of 
other ideas but to the massive onslaught of circumstance"

    -  John K Galbraith

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#105

The Natural Philosopher wrote:

> I bought ASA for this purpose. Haven't tried it yet. You can shroud an 
> open frame printer in e.g. cardboard or polystyrene foam scraps

I did wonder about using some lightweight metal sheets duct-taped 
together rather than anything flammable (it's at least an 8 hour job, 
maybe longer if the new filament prints slower?) maybe foil-faced PIR?

Don't particularly want to be spending on a proper 'hood', can see that 
once the next gen of tool-changer printers come down in price I'll be 
tempted to upgrade, so would rather put the dosh towards that ...

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#106

In free.3d-printing Andy Burns <usenet@andyburns.uk> wrote:
> The Natural Philosopher wrote:
>> I bought ASA for this purpose. Haven't tried it yet. You can shroud an 
>> open frame printer in e.g. cardboard or polystyrene foam scraps
> 
> I did wonder about using some lightweight metal sheets duct-taped 
> together rather than anything flammable (it's at least an 8 hour job, 
> maybe longer if the new filament prints slower?) maybe foil-faced PIR?

I think I'd find anything you can't see through really annoying. I
use plastic wrap/cling-film. My Makerbot Cupcake's box-like design
makes it pretty easy, but maybe you can put some large objects
either side then wrap around them with the printer in the middle?
Or if you have some clear plastic storage tubs that fit it, put it
in one and if the lid won't fit on put another tub upside-down on
top?

-- 
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#_ < |\| |< _#

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#107

Computer Nerd Kev wrote:

> Andy Burns wrote:
>
>> I did wonder about using some lightweight metal sheets duct-taped
>> together rather than anything flammable (it's at least an 8 hour job,
>> maybe longer if the new filament prints slower?) maybe foil-faced PIR?
> 
> I think I'd find anything you can't see through really annoying. I
> use plastic wrap/cling-film. 

I'd have a camera inside and the printer has an overhead light bar (and 
a light on the head) but I know what you mean, I do like to keep any eye 
on big jobs.

> My Makerbot Cupcake's box-like design makes it pretty easy, but
> maybe you can put some large objects either side then wrap around
> them with the printer in the middle? Or if you have some clear
> plastic storage tubs that fit it, put it in one and if the lid won't
> fit on put another tub upside-down on top?

Yeah, I've got plenty of semi-translucent storage boxes, people seem to 
warn against that if leaving it unattended, maybe I'm over-worrying 
about it burning the place down ...

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#108

In free.3d-printing Andy Burns <usenet@andyburns.uk> wrote:
> Computer Nerd Kev wrote:
>> I think I'd find anything you can't see through really annoying. I
>> use plastic wrap/cling-film. 
> 
> I'd have a camera inside and the printer has an overhead light bar (and 
> a light on the head) but I know what you mean, I do like to keep any eye 
> on big jobs.
> 
>> My Makerbot Cupcake's box-like design makes it pretty easy, but
>> maybe you can put some large objects either side then wrap around
>> them with the printer in the middle? Or if you have some clear
>> plastic storage tubs that fit it, put it in one and if the lid won't
>> fit on put another tub upside-down on top?
> 
> Yeah, I've got plenty of semi-translucent storage boxes, people seem to 
> warn against that if leaving it unattended, maybe I'm over-worrying 
> about it burning the place down ...

Well my Makerbot Cupcake is made of plywood - more likely to catch
fire than plastic. I do keep an eye on it though. Also I'm assuming
you're just using the heat from the printer to warm the enclosure,
which probably won't get _that_ hot. If you want to put a heater in
there then yes that would be risky. My main aim with the plastic
wrap I use is to stop the breeze through the window cooling the
print down, since I print in ABS and have to leave the window open
next to it to let the fumes out.

-- 
__          __
#_ < |\| |< _#

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#109

Computer Nerd Kev wrote:

> Well my Makerbot Cupcake is made of plywood - more likely to catch 
> fire than plastic. I do keep an eye on it though. Also I'm assuming 
> you're just using the heat from the printer to warm the enclosure>
> which probably won't get that hot.


Don't think the filament needs a heated chamber, it says cooling fans 
off and 80°C bed, it doesn't actually mention enclosure at all.

>  If you want to put a heater in
> there then yes that would be risky. My main aim with the plastic
> wrap I use is to stop the breeze through the window cooling the
> print down, since I print in ABS and have to leave the window open
> next to it to let the fumes out.

I've ordered a roll ...

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