Technical datasheet

Onyx

Supplied byMarkforged- Last Updated on Sep 23, 2025

Onyx by Markforged is a nylon (polyamide) grade reinforced with micro carbon. Exhibits stunning matte black finish, excellent rigidity, dimensional stability and environmental resistance. Suitable for 3D printing applications. Designed to print parts with the strength of metal, the Mark Two Industrial Strength 3D Printer™ is capable of printing continuous carbon fiber, Kevlar® and fiberglass. Using a patent pending Continuous Filament Fabrication (CFF™) print head alongside a Fused Filament Fabrication (FFF) print head, the Mark Two can create functional parts by combining nylon with continuous fiber filaments. 3D print parts of Onyx possesses higher strength-to-weight ratio than 6061-T6 Aluminum and is 27x stiffer & up to 24x stronger than acrylonitrile butadiene styrene (ABS).
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Onyx properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Strength0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Break0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Elongation at Yield0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Yield0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Heat Deflection Temperature (HDT)0.0 Visible After LoginVisible After LoginVisible After Login