Exotic Filament Sample - 1.75mm

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Can't decide what to try or just need a small length to verify compatibility? Try a sample before committing to a spool. (To avoid aging/stale filament, we currently only stock exotic spools in sample sizes. Contact us if you'd like to order larger spools!)

All samples are 1.75mm, 50g coils. This is about 10m for iron and steel and 15m for all others.

 

Aromatic Coffee Filament

Proto-pasta's Aromatic Coffee HTPLA is the first specialty blend is based on their more tough (flexible and durable), "Heat Treatable" HTPLA. More durable than standard PLA, HTPLA can also be "heat treated" post-print for "higher temperature" performance than standard PLA, ABS, and Polyesters like PET! More on HTPLA below.

 
This otherwise odorless plastic releases an invigorating roast coffee scent when heated. Beyond this novel feature, the color is a beautiful pearlescent, translucent bronze when printed.  The color turns opaque when heat treated for a more wood-like finish. Aromatic Coffee HTPLA has a potential Heat Deflection Temperature (HDT) of as much as 140C (285F) depending on post-processing. This means parts retain more stiffness and form to higher temperatures.  No warping on your sunny car dashboard!

Notes:

  • No abrasive fillers so expect normal wear with standard nozzles.
  • Heated bed not required, though up to 70C is acceptable.
  • Recommended Temp: 190-230C

 

Carbon Fiber PLA

Proto-pasta Carbon Fiber PLA is based on their easy printing, high quality PLA. Made from the highest quality, dry ingredients and extruded with care in their Washington facility. CFPLA prints are demonstrably more rigid with easy processing (often using standard PLA settings) and support removal. Excellent layer adhesion and minimal warpage even without a heated bed make this a great everyday exotic for accurate parts. Layer lines disappear with the beautiful matte black finish.  Also has a slight sheen due to the embedded carbon making it very photogenic!

Usable on most PLA-compatible printers, such as Lulzbot, Makerbot, FlashForge, Dremel, Ultimaker, Printrbot, and more!

Notes:

  • Processing is comparable to standard PLA.
  • No heated bed required.
  • Process may be less consistent on smaller nozzles and/or bowden type machines.
  • **This filament is slightly more abrasive than standard PLA. Be prepared to replace your nozzle and do 1st layer adjustment after prolonged use or upgrade to a wear resistant nozzle for less maintenance.**
  • **In filament form, CFPLA is slightly more brittle than standard PLA, and requires extra care when handling.**
  • Recommended Temp: 210-230C

 

Carbon Fiber HTPLA

Proto-pasta's High Performance Carbon Fiber HTPLA-CF combines engineering-grade performance with the ease and environmental-friendliness of PLA printing.  Since kickstarting the World's First 3D Printable Carbon Fiber PLA and their original HTPLA (more on HTPLA below), they've successfully combined the two for a "super-material".

 
Compared to ABS, PET, and similar Polyester materials, HTPLA-CF has:
  • Easier and more reliable printing
    • No heated bed required
    • Lower processing temperatures, like standard PLA
    • Less warping and distortion when processing
  • More temperature resistance* for maintaining properties to higher temperatures
    • Most ABS, PET, and Polyesters get soft at 80C +/- 10C
    • HTPLA-CF maintains properties up to 120C or more (*when heat treated)
  • Higher strength and better strength-to-weight ratio for stronger parts with less material 
  • Improved surface hardness for less wear in abrasive environments
  • Less shrinkage and distortion for more accurate parts
  • Higher stiffness so parts hold their shape
  • Renewable biopolymer with low odor
  • Highly desirable black finish 
Compared to the Original Carbon Fiber PLA, HTPLA-CF has:
  • Improved toughness for less breaking when handling and easier processing
  • Higher HDT when heat treated for maintaining properties to higher temperatures.
Compared to HTPLA, HTPLA-CF has:
  • Improved surface hardness for less wear in abrasive environments
  • Less shrinkage and distortion for more accurate parts

Notes:

  • Good results can be achieved using standard PLA parameters and standard build surface preparation (blue tape or glue stick).
  • No heated bed required., though up to 70C is acceptable.
  • Minimum nozzle size 0.4mm. **May require nozzle replacement**
  • Recommended Temp: 190-230C

 

Conductive Composite PLA

Have you ever wanted to create something with your 3D printer that includes electronics? Maybe an LED, touch sensor, or some other genius invention to solve the world’s problems? Then Proto-pasta Conductive PLA is the perfect material for you! Now with improved layer adhesion, increased resilience to break, higher melt flow, and, in general, greater consistency for more trouble-free, higher performance printing experience! No heated bed or special nozzle required

Usable on most PLA-compatible printers, such as Makerbot, FlashForge, Dremel, Ultimaker, Printrbot, and more! Great for simple circuitry and interactive projects. Also experiment with ESD or 3D printed bearings!

Here is a link to some projects.

Notes:

  • Volume resistivity of molded resin (not 3D Printed): 15 ohm-cm
  • Volume resistivity of 3D printed parts along layers (x/y): 30 ohm-cm
  • Volume resistivity of 3D printed parts against layers (z): 115 ohm-cm
  • A 10cm length of 1.75mm filament has a resistance of approximately 2.5 kohm
  • Heated bed not required, though up to 70C is acceptable
  • Low-flow - print slow or use large nozzle
  • Recommended Temp: 190-230C (or higher for 0.4mm nozzle)

 

Magnetic Iron PLA

Proto-pasta Rustable Magnetic Iron Metal PLA Composite is actually ferromagnetic.  It responds to magnets and behaves similarly to pure iron!  Encapsulated in plastic, the iron maintains a stable matte, cast metal finish as printed, but can be rusted when desired.  Here is why Proto-pasta Iron PLA is so interesting:

  • Weighted feel with 1.5x the density of standard PLA
  • Rustable to create modern artifacts in a few easy steps - instruction here
  • Attracts magnets (neodymium type recommended for strongest attraction)
    • Induction at magnetic saturation about 0.15 Tesla
    • Relative (to air) Permeability - between 5 and 8 independent of frequency up to 1 MHz
    • Permeability - between 62E-7 and 100E-7 H/m independent of frequency up to 1 MHz
  • More thermally conductive than standard plastic
  • Prints easily like PLA with less nozzle wear than Steel or Carbon Fiber

Notes:

  • Processing is comparable to standard PLA.
  • No heated bed required, though up to 70C is acceptable
  • Process may be less consistent on smaller nozzles and/or bowden type machines.  
  • Recommended Temp: 190-210C (standard PLA or a bit cooler)

 

Stainless Steel PLA

Proto-pasta Stainless Steel PLA is a dense material that prints as easily as standard PLA but results in heavy cast metal looking prints that can be brushed, sanded, or polished post-print to achieve amazing results. Perfect for jewelry, costumes, props, figurines, crafting, robots, and more!

Notes

  • **In filament form, SSPLA is slightly more brittle than standard PLA, and requires extra care when handling.**
  • Processing is comparable to standard PLA.
  • No heated bed required, though up to 70C is acceptable
  • Process may be less consistent on smaller nozzles and/or bowden type machines.
  • Recommended Temp: 210-230C
 

HTPLA

For maximum performance, your prints should be heat treated (i.e. crystallized) in an oven until you see a change from translucent to opaque. Yes, there is an obvious visual change indicating the improved performance! Good results can be achieved in a lab oven at 110C (230F) for an hour or less. It is recommended to leave the supports on your parts, placing them on a non-radiating surface (like glass, ceramic, or composite), and letting them cool in the oven to minimize distortion. Parts can be baked at a lower temperature (though must be above 60C for any reaction) for a longer time with less risk of unwanted deformation.
 
Usable on most PLA-compatible printers, such as Lulzbot, Makerbot, FlashForge, Dremel, Ultimaker, Printrbot, and more!
 
Notes:
  • Good results can be achieved using standard PLA parameters with standard build surface preparation (blue tape, glue stick, or BuildTak).
  • No heated bed required.
  • Some shrinkage may occur in the annealing process, so dimension critical parts may need to be scaled as much as 2.5% to compensate.



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