Siraya Tech Fibreheart PET-CF 3D Printer Filament, Black, 2.5kg | Carbon Fiber Reinforced PET, High Strength & Rigidity, Easy Print, Dimensionally Stable, Aluminum Foil Sealed Bag
Total Size
2.5KG
Color(s)
Price / kg
$29.48/kg
Total
$73.71
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Product Details
- Large 2.5kg Capacity for Maximum Efficiency – Designed for print farms, industrial users, and large-scale projects, this high-capacity spool minimizes filament changes, improving workflow and reducing downtime for continuous printing.
- Carbon Fiber Reinforced for Superior Strength – PET-CF combines high-strength PET with carbon fiber, delivering enhanced rigidity, wear resistance, and durability for functional and load-bearing parts.
- High Precision & Dimensional Stability – Engineered for precision printing, this filament maintains consistent diameter, smooth extrusion, and minimal warping, ensuring accurate part dimensions and a flawless surface finish.
- Optimized for Industrial & Functional Applications – Perfect for engineering-grade parts, including industrial components, fixtures, molds, UAV parts, and automotive applications requiring high strength and long-term reliability.
- Seamless Upgrade & Optimized Storage - Easily transition from 1kg to 2.5kg with no changes to your print settings—enjoy longer, uninterrupted printing with the same trusted performance. Each spool is vacuum-sealed in an aluminum foil bag for maximum moisture protection. To maintain optimal print quality, always store PET-CF filament in the provided bag or a dedicated dry box when not in use, as PET-CF is highly sensitive to humidity.
From the listing on Amazon.
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Nozzle Compatibility
Carbon fiber is abrasive and wears brass (and stainless) nozzles out of round, sometimes within a single spool. Use hardened steel or another wear resistant nozzle such as ruby or tungsten carbide. With hardened steel, start about 5 to 10°C hotter than you would with brass.
Nozzle type
Hardened steel
0.2 mm
Cannot use
Fibers clog it.
0.4 mm
Can use
Standard only, not high flow.
0.6 mm
Can use
Fewer clogs and less wear.
0.8 mm
Can use
Large, fast parts.
Based on Bambu Lab and Prusa guidance. More in our carbon fiber filament guide and nozzle types guide.