3D printing filament Sunlu PLA+ 1.75 mm 1 kg — Black

Sunlu PLA+ 1.75 mm 1 kg — Black is a general-purpose 3D printing filament formulated for FDM/FFF printers that accept 1.75 mm filament. The PLA+ composition offers improved toughness and reduced warping compared with standard PLA, making it suitable for printing prototypes, scale models and functional household parts. This matte black filament is supplied on a 1 kg spool and is intended for users seeking reliable printability and consistent dimensional performance across a variety of desktop printers.

Advantages

PLA+ chemistry delivers better layer adhesion and increased impact resistance compared to ordinary PLA while retaining the ease of printing associated with PLA materials. The 1.75 mm diameter ensures compatibility with a wide range of consumer and prosumer FDM/FFF printers. The filament’s reduced tendency to warp and low odor during printing simplify bed adhesion and multi-hour prints. Consistent diameter and spool packaging support stable extrusion and repeatable results.

Suitable for

• Rapid prototyping and functional prototypes
• Scale models, miniatures and figurines
• Household parts, brackets and fixtures
• Educational projects and classroom printing
• Low-warp mechanical parts for non-high-temperature applications

Key specifications

• Material: PLA+ (improved polylactic acid)
• Diameter: 1.75 mm nominal
• Net weight: 1 kg spool
• Color: Black (matte finish)
• Compatibility: FDM/FFF printers supporting 1.75 mm filament
• Properties: Improved toughness, good layer adhesion, reduced warping

How to use

Load the Sunlu PLA+ 1.75 mm filament into a printer configured for 1.75 mm filament and follow your printer manufacturer’s guidance for filament feed and extrusion settings. Typical nozzle temperatures for PLA+ are slightly higher than standard PLA; begin with the printer supplier’s recommended PLA+ temperature range and perform a temperature tower or test prints to fine-tune. Use a clean build surface or suitable adhesive (PEI sheet, blue tape, or a light glue stick) to improve first-layer adhesion. Allow prints to cool gradually; fan cooling can help achieve sharper details and reduce stringing.

Usage recommendations

For best results, store the filament in a dry place or sealed container with desiccant to prevent moisture uptake. When switching between materials, purge the hotend to avoid contamination and check extrusion before long prints. Adjust retraction and cooling settings to reduce stringing and achieve smooth surface finish.