Our Carbon Fiber PLA has the perfect balance of printability and durability. We only use quality materials to produce our filament to ensure your printed parts outperform your design requirements. Filament Specs: Hotend Temperature (°C): 190-230 (Recommended: 200) Bed Temperature (°C): 45-75 (Recommended: 60) Filament Diameter (mm): 1.75±0.05 Net Weight: 1kg (2.2 lbs) Build Surface: Polypropylene or PEI Print Parameters: We have spent thousands of hours testing our filament with several printer types and recommend these printing settings. Default Print Speed: 30-100 mm/s (Recommended: 45 mm/s) First Layer Height: 0.24 mm First Layer Speed: 15 mm/s Retraction: Bowden 5mm @ 45 mm/s or Direct 2mm @ 45 mm/s Perimeter Print Speed: 70% of Default Print Speed Infill and Support Print Speed: 80% of Default Print Speed Extrusion Width: 0.48 for 0.4 Nozzle (1.2X Nozzle Diameter) Fan Profile: Layer 1: 0% Layer 3: 50% Layer 4: 75% Layer 5+: 100% XY Jerk: 8 Z Jerk: 0.3 E Jerk: 5 Acceleration (Print/Travel): 300 Retract Acceleration: 1000 Travel Speed (non-print moves): 120 mm/s