Em stock (pode ser encomendado sem stock)
ProtoPasta é uma empresa situada nos Estados Unidos da América, de produção de filamentos para impressão 3D de alta qualidade.
Caracterizada pelos rolos feitos em cartão, esta marca é mundialmente famosa por ser especializada em materiais como PLA e ABS modificados com outros materiais, como o PLA Magnético; o PLA Condutivo; PLA de fibra de carbono; HTPLA de cobre, latão ou bronze; ou o ABS-PC.
Semi crystalline, heat treatable PLA for high temp use
Density: 1.24 g/cc
Length: 346 m/kg (1.75) 130 m/kg (2.85)
Typical Printing Temp: 205-225 C
Glass Transition (Tg)*: 60 C
Peak Crystallization (Tc)**: 95-115 C
Onset to Melt (Tm)***: 155 C
Typical change when heat treated: -2% x/y +1% z
Link to Safety Data Page
*max use with no heat treat & max platform temp
**heat treating @ temp 10+ min depending on size/mass
***max use when heat treated (annealed or crystallized)
HTPLA prints well at 205-225 C, however it's important to match temp to your hardware & volume flow rate. With a typical hotend, you should be able to print at 205 C without jamming at a low flow rate. In machines with hardware that tends towards jamming, consider this video with Joel Telling.
Lower volume flows require lower temps, while higher volume flows require higher temps. In the previously-mentioned video, one way to overcome jamming is to set your temp to a higher-than-typical 240 C. This should then be matched with a high flow rate for a quality printing result.
For direct drives with a short distance between drive gears & nozzle, volume flows can approach 7-8 cubic mm/s or more if printing hot to overcome jamming. For bowden tubes where the distance between drive gear & nozzle are great or less powerful hotends, as little as 2 and as much as 4 cubic mm/s may be the limit. Beware of unintended speed changes from faster infills & slowing down for outlines or short layers. Consider our Ultimaker-specific blog for more on this topic.
A constant speed throughout the part is ideal from an extrusion perspective. Knowing your extrusion width, layer thickness & speed you can calculate your volume flow rate with the calculator like found in the previously-mentioned Ultimaker blog. Alternatively, if you know your volume flow rate limit, extrusion width & layer thickness, you can calculate your speed limit.
PLA & HTPLA are amorphous in structure as printed (no heat treating) & though both are adequate performers in an office environment, they have poor temperature stability, loosing significant stiffness at temps nearing 60 C. Different than standard PLA, HTPLA is designed to survive heat treating for higher temp stability in a no/minimal load condition to near onset of melting (155 C). That's an astonishing improvement in thermal stability compared to standard PLA after a quick bake in the oven after printing.
In as little as 5-10 minutes for small, thin parts, HTPLA quickly crystallizes in an oven at 95-115 C (200-240 F) to become more stiff & hold form above glass transition (60 C). Depending on part geometry, setup & technique, parts can deform and shrink. Best results are with flat and/or supported parts with 100% infill. In this instance we experienced x/y shrinkage of about 2% & growth of about 1% in z.
Be sure to avoid hot spots (non-radiating surfaces & no glowing coils) in the oven used for baking & experiment before baking a prized part. Un-printed filament works great for experimentation & translucent makes the transformation most visible! Heat treating is an art, but the resulting improved thermal performance, if needed, is well-worth exploring. You'll be shocked by the improved thermal stability of your HTPLA parts!!!
Looking for increased heat resistance without the need to switch to ABS? Protopasta High Temperature PLA offers heat deflection of up to 88° C (190.4° F) compared to standard PLA of 45-54° C (113-135° F). This makes it a great choice for moving parts (gears, RepRap pieces, etc) or prints that would face moderately high temperatures. Our High Temperature PLA is white, but can be painted after annealing.
We've created this page to bring you a premium PLA and HTPLA printing experience that rivals our premium material. Follow below to improve your 3D printing experience. In other words, here's your shortcut to awesomeness with pasta. If at the end of this document you have questions or need assistance, please contact us at email@example.com.
Loose coils can be very tricky to manage. Going cowboy on your spool handling can quickly end up in a frustrating, tangled mess. Keep your loose coils wrangled with a spool holder like masterspool for a more trouble-free experience. Find out more about loose coil handling in Keith's blog post.
And for spooled filament, never let go of the loose end. When not in the printer extruder, tuck it away in the cardboard spool's corrugation! Also, avoid sharp bends and excessive force when loading filament into your printer.
At Proto-pasta, we make high quality filament. We aspire to make exceptional results easy, but a positive result is very much dependent on your hardware, set-up, adjustments, and process parameters. Matching hardware with process and material for a positive experience is not always straight-forward, but you can start by pairing the following settings with your printer for a good starting point, then tune or troubleshoot as required.
Volume flow rate together with temperature dictates how melted the material is. This is hardware & condition dependent based on hot end, nozzle & extruder type, material & manufacturer as well as layer fan type, position & settings. Extrusion width, layer thickness & speed changes affect volume flow which may change required/desired temperature.
We visited Joel and ended up with a helpful video on the subject:
Para uma correcta manutenção da sua impressora 3D, recomendamos sempre que trocar de material de filamento 3D, a efectuar uma purga com filamento especial de limpeza.
Desta forma garante que não ficam vestígios de material nas paredes do nozzle, evitando o acumular de crosta que é criado sempre que efectua trocas de material.
Com este produto evita problema como "clogs" e "jams" e fará com que o seu nozzle mantenha-se sempre limpo, durando muito mais tempo.
Poderá encontrar a partir de 1.49€ no seguinte LINK
Para obter maior aderência à superfície da sua impressora 3D recomendamos a aplicar 3DLAC na base da plataforma.
Poderá encontrar no seguinte LINK
Este material é altamente higroscópico, absorvendo rapidamente a humidade do ar passados poucos minutos após aberto, impossibilitando desta forma a correcta impressão 3D do mesmo. O resultado das impressões 3D de materiais com humidade tendem a ser frágeis e de acabamento irregular ou em certos casos, torna-se simplesmente impossíveis de imprimir.
Deverá de usar soluções de caixas fechadas com dessecante como sílica ou caixas próprias secadoras de filamento.
Poderá encontrar no seguinte LINK
Technical and Safety Data Sheet
HTPLA Nebula Multicolor HTPLA- Cor
1.75mm (+-0.05mm) - Espessura / Tolerância de diâmetro
Muito Fácil - Facilidade de Impressão
Glitter, Azul, Rosa, Violeta, Transparente
|Diâmetro do Filamento 3D||