MF Carbon Fibre FR-A Spool

Carbon Fiber FR is a flame-retardant variant of Markforged’s unique, ultra-high-strength Continuous Carbon Fiber. Carbon Fibre FR is only available as the aerospace-ready “-A” version which comes with lot-level material traceability documentation and passes the test suite necessary for qualification under 14 CFR 25.853 for most 3D-printable parts.

Carbon Fibre FR-A is only compatible with Onyx FR-A and the X7 printer.

What is carbon fibre?
Carbon fibre is a thin filament made up of carbon atoms organised into a crystalline structure. Because of its very high stiffness and strength it is widely used in the aerospace and automotive industries.

https://invenio3d.com.au/materials/markforged/continuous-fibre/carbon-fibre-fr