Firewire / FR-ABS is made using a premium UL94 V-0 rated ABS. Our FR-ABS is high-gloss jet black and supplied on 1kg reels (2.2 lbs.), sealed in vacuum bags to keep them dry. This filament is ideal for applications that require UL94 V-0 self-extinguishing characteristics. Ideal for use with practically ANY desktop / open-source printers such as Makerbot, Reprap, Printrbot jr., Makerfarm Prusa i3, MendelMax, UP! 3D, Flashforge, Solidoodle, Afinia, Lulzbot Taz3/4, Makergear, Ultimaker, or any other printer.