Squink Conductive Ink Cartridge
Shelf life: 6 months.
This ink can be used with the following materials
FR-4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant (self-extinguishing).. With near zero water absorption, FR-4 is most commonly used as an electrical insulator possessing considerable mechanical strength.
Kapton is a polyimide film that remains stable across a wide range of temperatures, from −269 to +400 °C (−452 – 752 °F / 4 – 673 K). Kapton is used in, among other things, flexible printed circuits and thermal micrometeroid garments (the outside layer of space suits).