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Markforged Onyx FR-A Filament FFF – 800 cm³ Spool

Markforged Onyx FR-A Filament FFF – 800 cm³ Spool

£240.00 RRP

Onyx filament is a nylon containing carbon fibre. Onyx provides stiff, strong and precise parts. Alone, the material is already 1.4 times stiffer than ABS however it can also be reinforced with any continuous fibre from the Markforged range. Onyx raises the bar when it comes to surface texture, chemical resistance and heat tolerance.

Delivery time: 1-3 Working Days

SKU: F-MF-0006 Category:
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The Markforged Onyx FR-A Filament is a flame-retardant short carbon fiber-filled nylon designed for use in applications where parts must resist burning. This aerospace-ready “-A” version 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.

The Onyx filament materials are at the heart of all Markforged 3D printers. It is a beautiful black filament made of durable nylon / PA6 with micro-carbon fibres. This provides rigid and dimensionally stable parts which are 1.4 times stiffer than ABS thermoplastics (plastics). Onyx parts achieve a high surface quality, chemical resistance and heat tolerance. Items such as jigs and fixtures, robot grippers and soft jaws for machine vices are popular with this robust material.

Bending Strength 71 MPa
Bend stiffness 3.6 GPa
800cm³ Spool

Get your own demo part! Request your demo now

PROFESSIONAL QUALITY FILAMENTS: High-quality materials for the best printouts of high-strength functional components such as tools, fixtures, templates, assembly tools, assembly aids, production tools in 3D printing

CHARACTERISTICS: Stable plastic with micro-carbon fibres


DELIVERY & SHIPPING: 1x Markforged Onyx FR-A filament 800cm³ roll – the items will be securely packaged and shipped free to the UK.

Markforged UK Reseller

Mark3D UK is your Markforged UK partner for onyx, carbon fibre and metal 3D printers, materials, software and accessories. If you have any questions please call: 0800 193 3650.

If you can’t find what you’re looking for you can ‘get-in-touch’

Additional information

Weight 1 kg


Flexural strength

81 MPa

Bending stiffness

2,9 GPa






Mark Two, Onyx One, Onyx Pro, X3, X5, X7


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