The eSUN Basic PLA Grey 1.75mm 1kg 3D Printer Filament is a versatile, high-reliability polylactic acid filament engineered for everyday desktop FDM 3D printing. Formulated for smooth melt flow, minimal shrinkage, and sharp detail reproduction, this filament features a neutral, professional grey finish that highlights geometric contours and layer lines, making it an ideal choice for rapid prototyping, architectural models, miniatures, and maker workshop projects.

Specification

• Brand / Manufacturer: eSUN
• Product Name: Basic PLA Filament
• Color Profile: Grey
• Filament Diameter: 1.75mm (Dimensional accuracy within ±0.03mm)
• Net Weight: 1.0 kg (2.2 lbs) spool
• Base Polymer Matrix: 100% Virgin Polylactic Acid (PLA)
• Recommended Extruder / Nozzle Temperature: 190°C to 220°C (Optimal 200°C - 210°C)
• Recommended Heated Bed Temperature: 45°C to 60°C (Can also be printed on unheated beds with build tape/adhesion aids)
• Printing Speed Range: 40mm/s to 100mm/s
• Cooling Fan Speed: 100% (Full part cooling recommended)
• Tensile Strength: Approx. 55 - 60 MPa
• Elongation at Break: Approx. 15% - 20%
• Flexural Modulus: Approx. 2500 - 2700 MPa
• Heat Deflection Temperature (HDT): Approx. 50°C to 53°C (at 0.45 MPa)
• Spool Material: Eco-Friendly Recyclable Cardboard or Plastic Spool
• Printer Compatibility: Fully compatible with open-source and enclosed desktop FDM 3D printers, including Bambu Lab (AMS compatible), Creality, Anycubic, Prusa, Elegoo, Kingroon, and Artillery.

Features

• Smooth Flow and Clog-Free Extrusion: Engineered for stable melt fluidity and uniform thermal viscosity, preventing hotend nozzle clogs, stringing, and extruder slipping across standard print speeds.
• Detail-Enhancing Neutral Grey Finish: The balanced grey tone provides excellent contrast for visual inspection, accentuating fine features, chamfers, and curves without the glare of white or the shadow-hiding nature of black.
• Low Warping and Strong First-Layer Adhesion: Minimal thermal contraction ensures flat, reliable first-layer bonding to smooth/textured PEI sheets, glass beds, PC surfaces, and magnetic build plates without edge lifting.
• Tight Dimensional Tolerance (±0.03mm): Manufactured using continuous laser micrometer monitoring to ensure uniform filament diameter, resulting in consistent volumetric flow and clean layer stacking.
• Eco-Friendly and Low Odor: Sourced from renewable plant starches (corn/sugarcane), producing virtually no irritating fumes or harsh chemical odors, making it safe for classrooms, offices, and home environments.
• Neat Machine Spool Winding: Even, layer-by-layer spool winding prevents tangles, overlaps, and knots that could otherwise cause filament feed interruptions during long print jobs.

Common Applications

• Architectural and Industrial Scale Models: Producing scale replicas, building mockups, and conceptual models where neutral surface tones are required for visual evaluation.
• Miniatures, Sculptures & Concept Art: Printing highly detailed character models, tabletop gaming terrain, and sculptures that serve as ideal baselines for post-processing, priming, and painting.
• Functional Prototypes & Mechanical Assemblies: Fast, cost-effective verification of form, fit, and dimensions for snap-fit components, brackets, and product enclosures.
• Everyday Workshop & Home Utilities: Crafting modular storage bins, cable management clips, tool organizers, wall brackets, and desk accessories.

Professional Installation and Maintenance Tips

• Optimal Slicer Profile Settings: Set your nozzle temperature to 205°C and build platform to 55°C as an initial baseline. Run part cooling fans at 100?ter the first layer for crisp overhangs, fine details, and clean bridging.
• Keep Build Surface Clean: Wipe down the print platform with 70% to 90% Isopropyl Alcohol (IPA) before printing to remove finger oils and dust, ensuring strong first-layer adhesion without relying on glue.
• Standard Brass Nozzle Safe: Basic PLA contains no abrasive additives and can be used continuously with standard 0.4mm brass nozzles without risk of orifice wear.
• Storage Recommendations: Store the spool in a sealed vacuum bag with silica desiccant packets or an active filament dry box when not in use to protect against moisture absorption, preserving material ductility and preventing brittleness over time.