The SUNLU High-Speed PLA 3D Printer Filament is a premium 1.75mm filament designed for fast and reliable 3D printing, supporting speeds up to 600 mm/s with a 500% increase in flowability to prevent clogging. This 1KG roll offers excellent heat dissipation (180% better than standard PLA) and a low shrinkage rate, ensuring smooth, crack-free prints with superior surface quality. Ideal for high-speed printers, it maintains print quality even at lower temperatures (180–195°C), saving time and energy. With uniform wire diameter and tangle-free winding, this filament is perfect for creating detailed models, props, and architectural designs, catering to both beginners and experienced makers seeking efficiency and precision. Specifications Filament Diameter: 1.75 mm ± 0.02 mm Roll Weight: 1KG (2.2 lbs) Roll Length: Approximately 330 meters Printing Speed: 50–600 mm/s (recommended 250 mm/s for optimal quality) Flowability: 500% increase compared to standard PLA, ensuring no clogging at high speeds Heat Dissipation: 180% better than standard PLA for faster cooling Shrinkage Rate: Low, minimizing cracking during fast printing Crystallization Temperature: 10°C, enabling fast curing Recommended Printing Temperature: 190–210°C at 50–150 mm/s 210–230°C at 150–300 mm/s 230–260°C at 300–600 mm/s Bed Temperature: No heating needed with glue; 50–60°C optional without glue Supported Filaments: High-Speed PLA Compatibility: Suitable for most FDM 3D printers using 1.75mm filament Spool Dimensions: Spool Diameter: 8.00 inches Spool Width: 2.50 inches Spool Hub Hole Diameter: 2.20 inches Additional Features: Uniform wire diameter for tangle-free printing Overhang angle <70° does not require supports (with excellent printer cooling) 100% zero-bubble formulation Vacuum-sealed packaging with desiccant to prevent moisture