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800cc ONYX Filament Spool
ONYX is Nylon mixed with chopped carbon fibre and offers a high-strength thermoplastic with excellent heat resistance, surface finish and chemical resistance. ONYX serves as a thermoplastic matrix for Markforged's composite parts. It can be printed alone or reinforced with one of Markforged's continuous fibres to give strength comparable to Aluminium.
How strong is ONYX?
ONYX has a flexural strength of 81MPa (11.7ksi).
What is the difference between chopped carbon fibre and continuous carbon fibre?
Chopped carbon fibre is what is mixed into ONYX filament giving it high stiffness and strength. Continuous carbon fibre is a reinforced fibre that can be printed in long strands, creating composite parts many times stronger and stiffer than ONYX.
