3D Printer Filament Sunlu PLA High-Speed Marble (light gray) – PLA H-S Mar SSM

Sunlu PLA High-Speed Marble (light gray) is a PLA-based 3D printing filament formulated to reproduce a marble-like, stone appearance while retaining the ease of printing and dimensional stability typical for PLA. The material contains marble-imitating particles that give printed models a textured, natural look suitable for architectural models, sculptures, decorative parts and prototypes where a stone aesthetic is required.

Advantages

The High-Speed Marble formulation enables significantly higher print speeds without the common artifacts of rapid printing. Low diameter deviation and ±0.02 mm dimensional accuracy ensure consistent feeding and repeatable results, while the marble particles deliver a distinctive stone-like surface finish. The filament’s physical properties reduce warping and maintain stable print quality across a range of operating speeds.

Suitable for

• Architectural scale models and mockups
• Sculptures and decorative objects with a stone appearance
• Prototypes and display pieces requiring textured finishes
• High-speed production of non-load-bearing parts

When it may not be suitable

This PLA formulation is not intended for high-temperature applications or load-bearing mechanical parts: its heat deflection properties (around 54–55 °C) limit its use in hot environments. For projects requiring very high impact resistance or extensive post-processing that affects surface texture, alternative engineering-grade materials may be more appropriate.

Key specifications

• Material: PLA with marble-imitating particles
• Color: Light gray
• Density: 1.25 g/cm³
• Vicat softening point: 54 °C
• Heat deflection temperature: 54.8 °C
• Melting temperature: 164 °C
• Melt flow rate: 10.7 g/10 min
• Tensile strength: 41 MPa
• Elongation at break: 80%
• Flexural strength: 70 MPa
• Flexural modulus: 3400 MPa
• Impact resistance (X-Y): 11 kJ/m²

How to use

Print Sunlu PLA High-Speed Marble on FDM/FFF printers using typical PLA settings as a starting point, then adjust for speed and extrusion to achieve optimal surface finish. Recommended printing speeds range broadly from 50 mm/s up to 600 mm/s for specific operations: infill speeds can reach around 450 mm/s and thin-wall passes up to 600 mm/s depending on your machine’s capabilities. Use a nozzle temperature appropriate for PLA (near the filament’s melting temperature), ensure good part cooling for layered detail, and verify dimensional calibration to take advantage of the filament’s ±0.02 mm accuracy.

What to consider before purchase

• Intended use: not for high-temperature or critical structural parts
• Printer capability: ensure your FDM printer can reliably print at higher speeds
• Nozzle and cooling setup: adequate cooling and a compatible nozzle improve finish
• Post-processing: marble texture may limit sanding or smoothing options

Usage recommendations

For best results, calibrate extrusion and retraction settings at moderate speed first, then gradually increase fill and wall speeds while monitoring for stringing or under-extrusion. Use this filament for decorative or display prints where a stone-like finish is desired and the operating temperature stays below the material’s heat deflection range.