Stone Gray Carbon Fiber Extreme PETG PRO: finish and uses
Stone gray color combines with the textured appearance of carbon-fiber-filled PETG PRO. This grade uses PETG resin with USA-made milled carbon fiber, rather than carbon powder or dust. Made in Indiana, USA.
Consider it for technical models, fixtures and functional parts where rigidity and a neutral gray finish suit the design. Added stiffness does not guarantee greater impact toughness in every direction; evaluate part geometry, layer orientation and intended loads.
Indicative color reference: #747B7F, attributed to Filamentcolors.xyz and not independently verified. Screens, lighting and print settings affect perceived color; a flat hex reference cannot capture the textured finish.
Printing Stone Gray Carbon Fiber Extreme PETG PRO
Published nozzle temperature: 240–265°C. Heated bed: 80°C ±10°C. Use a nozzle diameter of 0.40 mm or larger. Tune flow, cooling, retraction and temperature for your printer, build surface and part geometry.
The filament is mildly abrasive to print nozzles. Use a hardened or wear-resistant nozzle suitable for carbon-fiber-filled materials. Check your printer and feeding-system manufacturer’s guidance for filled filament rather than assuming compatibility with every setup.
Quality and specifications
Published diameter and roundness tolerances: ±0.02 mm or better. Refer to the available variant above for spool and diameter details.
Spool returns
Spool-return program details and current terms
Stone Gray Carbon Fiber Extreme PETG PRO FAQ
What does the finish look like?
Stone Gray combines a neutral gray color with the textured appearance of carbon-fiber-filled PETG PRO. Compare a sample print under your intended lighting.
Does it contain milled carbon fiber?
Yes. It uses USA-made milled carbon fiber rather than carbon powder or dust.
What nozzle should I use?
Use a hardened or wear-resistant nozzle suitable for abrasive filament, 0.40 mm or larger.
What temperatures are listed?
Published starting guidance is 240–265°C nozzle and 80°C ±10°C heated bed. Tune for your printer and build surface.
Can I try a sample first?
Stone Gray Carbon Fiber PETG sample coil
