Knowledge Base›Materials›Technical Data Sheet: Obsidian™ Carbon Fiber Nylon 3D Filament
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Technical Data Sheet: Obsidian™ Carbon Fiber Nylon 3D Filament

Obsidian™ was developed for use in all Markforged printers as an alternative to Onyx™

Physical Properties

Property Standard Unit Obsidian™ Onyx™
Density ASTM D792 g/cc 1.2 1.2

Mechanical Properties

Property Standard Unit Obsidian™ Onyx™
Tensile Strength, Break ASTM D638 MPa 44 37
Tensile Modulus ASTM D638 GPa 3.5 2.4
Tensile Elongation, Break ASTM D638 % 11 25
Flexural Strength ASTM D790 MPa 75 71
Flexural Modulus ASTM D790 GPa 3.8 3

Thermal Properties

Property Standard Unit Obsidian™ Onyx™
Deflection Temperature at 0.45 MPa (66psi) ASTM D648 °C 147 145

Electrical Property

Property Standard Unit Obsidian™ Onyx™
Surface Resistance ASTM D257 Ohm/sq >109 >109

Layer Height: 0.125mm
Infill: 100%
Specimen Orientation: XY Flat

Disclaimer

The technical data contained on this data sheet is furnished without charge or obligation and accepted at the recipient’s sole risk. This data should not be used to establish specifications limits or used alone as the basis of design. The data provided is not intended to substitute any testing that may be required to determine fitness for any specific use.

Printed Specimen Conditions
Printer: Markforged Onyx One™

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