Our ASA filament is the perfect alternative to traditional ABS. It shares all of the great mechanical characteristics without many of the difficulties like warping, layer separation, and strong odor. In addition, it has great UV-resistance which makes it perfect for outdoor applications. Filament Specs: Hotend Temperature (°C): 230-260 (Recommended: 245) Bed Temperature (°C): 100-125 (Recommended: 105) Filament Diameter (mm): 1.75±0.05 Net Weight: 1kg (2.2 lbs) Build Surface: Powder Coated PEI Print Parameters: We have spent thousands of hours testing our filament with several printer types and recommend these printing settings. Default Print Speed: 20-60 mm/s (Recommended: 40 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: 0% Layer 4: 0% Layer 5+: 0% XY Jerk: 8 Z Jerk: 0.3 E Jerk: 5 Acceleration (Print/Travel): 300/500 Retract Acceleration: 1000 Travel Speed (non-print moves): 120 mm/s