With a resistivity of 0.006 Ω cm, Electrifi is the only 3D printer filament on the market that can truly be called conductive. The 2.85 mm Electrifi filament extrudes at a temperatures between 130-150 ºC, with a recommended printing speed of 10-30 mm/s. When you press a multimeter probe directly onto the Electrifi filament or printed traces, you’ll typically get a resistance reading much higher than what is expected. This is because Electrifi is a soft filament which results in high contact resistance between the filament and the probe. To improve the electrical contact, we recommend using conductive pastes or screw terminals. The silver paste we prefer is from Electron Microscopy Sciences (product #12640, https://www.emsdiasum.com/microscopy/products/sem/colloidal.aspx). Once the silver paste is applied, it may take around 30 min for the silver paste to dry. Screw terminals are the second best option which forms a robust connection between Electrifi and other components. Please visit the FAQ page for more details. Please see our website for detailed tutorials on how to use Electrifi in a 3D printed electronics project. Due to the high conductivity of the filament, it can be used to produce many different types of circuits, including LED signs, LED matrix display, Bluetooth lamps, interfacing different types sensors with Arduino, electronic games, gaming controllers, and digital music devices to name just a few examples. If the circuit can be run with resistor of 10 ohm or greater, it can likely be made with Electrifi. Electrifi can also be used to make EMI/RF shielding, RF antennas, RF Filters, and other custom RF components. Electrifi is shipped in a vacuum-sealed package with a desiccant packet. The filament should be stored in a cool, dry environment, and exposure to moisture should be minimized. Please visit www.multi3dllc.com for more information or contact us via [email protected] if you have any questions or issues with the product.
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