4. Temperature, Heat, and Resistance: What Users Need to Know
Explain PTCR behavior and thermal limits in plain language.
ELECTRIFI 101
1/6/20261 min read
Electrifi™ exhibits a positive temperature coefficient of resistance (PTCR)—as temperature increases, resistance increases. This occurs because the polymer matrix expands, slightly separating copper particle contacts.
This behavior makes heat management critical:
Excessive nozzle dwell time can increase resistance
Overheating printed parts can permanently degrade conductivity
Different Electrifi™ formulations address different needs:
Polyester-based Electrifi™: optimized for low-temperature printing, room-temperature applications
Conductive PE: improved thermal stability, suitable for continuous use up to ~85–100 °C