【Fiberon by 】- A new product family of dedicated to democratizing high-performance composite materials. It offers cost-effective composite 3D printing filament especially optimized for high-speed printing. With superior printability and high printer compatibility, it enables high-performance parts on most mainstream printers, including entry-level printers 【Exceptional and Stable Stiffness】- Fiberon PET-CF is a high-performance carbon fiber reinforced 3d printing filament with excellent stiffness stable across varying moisture levels. It is your perfect option for crafting jigs and fixtures in automotive and composite manufacturing 【Tangle Free & Moisture Free】 - Fiberon PET-CF filament 1.75 is carefully winded to avoid any tangling issues. Dried and vacuum sealed in a resealable ziplock bag with desiccant. Please pass the filament through the fixed hole to avoid tangles after use 【Good Layer Adhesion & Rigidity】- No warping, no jamming, no blobs or layer delamination issues. Fiberon PET-CF 1.75 is a worry-free Black 3D printing filament that has great bed adhesion, very consistent color, and dimensional accuracy. Note: turn off the fan for the first layer for improved bed adhesion 【Cardboard Spool with Enhanced Hard Edge】 - Fiberon filament comes in upgraded packaging, featuring an enhanced coating on the edge and a fully recycled cardboard spool and box. The hard edge not only prevents the dust from fraying cardboard but also protects the edge from deformation and delamination 【Printing Settings】 - Nozzle: 270 - 300˚C; Bed: 70 - 80˚C; Speed: Up to 300mm/s