1.75 mm Conductive PLA filament, Black


Conductive PLA is a compound of Natureworks 4043D PLA a dispersant and conductive carbon black. Have you ever wanted to create something that includes electronics? (LED, touch sensor,…) Then Proto-pasta Conductive PLA is the perfect material for you.

Buy - Prices VAT included
Sample (4 meters) €5,00 €3,50
10 meters €10,50 €7,35
15 meters €15,50 €10,85
Spool 500 g €65,00 €45,50

Conductive filament in black.


  • Conductive!
  • Reduced brittleness over existing conductive products
  • More flexible than PLA
  • Easy to print
  • No heated bed required

Tech specifications

Nominal diameter 1.75 mm
Warp very low
Flexibility n.a.
Break resistance n.a.
Printing temperature 215-230 °C
Temperature resistance below 50 °C


Proto-pasta Conductive PLA is compatible with most printers that can print PLA. If you print with a heated bed (if available, is not required) set the temperature at about 50° C.

How conductive is it?

  • 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 

Proto-pasta Conductive PLA is a great choice for low-voltage circuitry applications, touch sensor projects, and using prints to interact with touch screens (which require low conductivity). As a general rule, anything you can run through a 1K resistor should be doable with this material (if you design the conductors to be the right size). This will easily run a low current Arduino, if you are not powering much with it.

Due to all the different types of hot-end it's extremely difficult to give a temperature advice. Please consider these tips, provided by the manufacturer, as a starting point to find the temperatures that work well in your setup. You may have to adjust the temperature settings slightly based on your type of printer.