Black PLA 3D printer filament 1.75 mm 1 kg 2.2 lbs Features: 1. PLA is the most commonly used filament. Perfect for reliable high detail prints PLA is ideal for beginners due to ease of printing 2. Designed and manufactured with Clog-Free patent to ensure a smooth and stable printing experience with these PLA refills. Larger spool inner diameter design makes feeding smoother. 3. High ductility and great fluidity enjoy your smooth creating 4. Advanced CCD diameter measuring and self-adaptive control system in the manufacturing make sure these PLA filaments of 1.75 mm diameter dimensional accuracy / -0.02 mm Specifications: 1. Material: PLA 2. Wire Diameter: 1.75mm 3. Tolerance: ?0.02MM 4. Printing Temperature: 200-230?C 5. Bottom Plate Temperature: Glue Water is Required When not Heated. Glue Water is Not Required to Heat 60-80?C 6. Rally (KGF): 11-16 7. Melt Index: 7-9g/10min (190?C 2.16Kg) 8. Elongation at Break: 4% 9. Printing Speed: 50-100MM/s 10. Air Bubbles: 100% zero bubbles 11. Net Weight: 1