SUNLU PLA Classic Blue Filament 1.75mm 1kg

Every 3D printing project depends on filament that flows evenly, adheres predictably, and holds its shape through every layer. Sunlu's PLA Classic in a rich Classic Blue eliminates the guesswork with tight diameter control and a clog-resistant formula, so your print head moves smoothly and the final surface looks clean and uniform.

Who is it for

Whether you are prototyping a new part, printing educational aids, or creating decorative pieces, this PLA filament suits a wide range of FDM printers. Its low warping behaviour makes it beginner-friendly, while the consistent 1.75 mm diameter ensures reliable extrusion for experienced makers. Choose it when you need an economical, high-quality material that comes in a bright, attractive blue.

Main features

• High-purity PLA with a diameter tolerance of ±0.02 mm for consistent flow
• Low warping and excellent layer adhesion for detailed prints
• Biodegradable and practically odourless, ideal for indoor environments
• Vacuum-sealed with a desiccant pack to maintain dryness from the moment you open it
• 1 kg spool with dimensions compatible with most desktop FDM printers
• Classic Blue colour for a vivid, consistent finish

Specifications

• Brand: SUNLU
• Material: Polylactic Acid (PLA)
• Filament Diameter: 1.75 mm
• Diameter Tolerance: ±0.02 mm
• Net Filament Weight: 1 kg
• Colour: Classic Blue
• Recommended Print Temperature: 200-230°C
• Recommended Bed Temperature: 50-65°C
• Tensile Strength: 60 MPa
• Elongation at Break: 20%
• Density: 1.24 g/cm³
• Melt Flow Index: 8-12 g/10min (190°C, 2.16 kg)
• Spool Outer Diameter: 200 mm
• Spool Inner Hole Diameter: 56 mm
• Spool Width: 65 mm
• Compatibility: FDM 3D Printers

Tips

Keep the filament sealed when not in use and store it in a dry container to prevent moisture absorption. For the best results, start with a print temperature of 215°C and a bed temperature of 60°C, then adjust based on your specific printer and environment. When switching colours, purge the nozzle thoroughly to avoid colour mixing.