Forefront F43 TOUGH

A tough, high-performance, high quality everyday 3D printing filament with excellent impact resistance for printing lightweight, waterproof parts. F43 TOUGH filaments are 1.75mm or 2.85mm diameter and are made from Polypropylene that has been optimised for 3D printing using ethylene and no fillers.

  • Good definition
  • Good overhang and bridge section performance
  • Impact resistant
  • Water and moisture resistant - dishwasher safe
  • Hard-wearing and resilient
  • Great fit for snap-fit parts and enclosures
  • Good temperature resistance
  • Minimal warping
  • No stress whitening - great for living hinges
  • Compatible with 1.75mm 3D Printing Pens


Forefront Filaments are compatible with a wide range of 3D Printers designed for either 1.75mm or 2.85mm diameter filaments, the range of which is expanding all the time. For example, 3D printers from brands like Flashforge, Makerbot, RepRap, Printrbot, Makergear and Zortrax.

Download the Material Safety Data Sheet

For more advice on printing with F43 TOUGH, read about Using Our Filaments