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Sunlu ASA filament for 3D printers black 1.75 mm

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Sunlu ASA filament for 3D printers black 1.75 mm

SUNLU ASA is a technical filament for 3D printing that stands out for its resistance to UV radiation, rain, and higher temperatures. It offers strong and tough prints with excellent layer adhesion, dimensional stability, and a diameter accuracy of ±0.02 mm for reliable, clog-free extrusion – ideal for outdoor and functional parts.
Designed for outdoor use

Designed for outdoor use

ASA is ideal for prints exposed to sun and weather. It provides high UV resistance, withstands rain and temperature fluctuations, and helps maintain the shape and color of parts for a long time.

Strength and toughness for functional parts

Strength and toughness for functional parts

With a tensile strength of 50 MPa and impact resistance of 18 kJ/m², the material is suitable for stressed components. It is great for prototypes as well as final parts with a long service life.

Stable printing and precise diameter

Stable printing and precise diameter

The accuracy of 1.75 mm (±0.02 mm) supports smooth feeding and consistent extrusion. Recommended print temperatures 250–280 °C and bed 80–100 °C contribute to even layers and a high-quality result.

Need a material that can handle real outdoor conditions? Sunlu ASA is an excellent choice for parts exposed to sun, moisture, and temperature fluctuations. Thanks to its high weather resistance, prints retain their color, shape, and mechanical properties over the long term, making it suitable for garden projects, outdoor installations, electronics, and automotive applications.

The filament is designed for stable and accurate printing across a wide range of settings. High mechanical strength and toughness help create functional parts resistant to impacts and long-term stress.

Main advantages of Sunlu ASA filament:

  • Outdoor durability – UV, rain, and temperature without rapid material aging
  • Dimensional stability and good layer adhesion for a quality surface and strength
  • Precise diameter 1.75 mm (±0.02 mm) for smooth extrusion
  • Wide printing range – recommended speeds 50–200 mm/s

Specifications

Manufacturer
Sunlu
Material
ASA (acrylonitrile-styrene-acrylate)
Color
Black
Filament diameter
1.75 mm (±0.02 mm)
Density
1.05 g/cm³
Printing temperature
250–260 °C (50–100 mm/s) / 260–280 °C (100–200 mm/s)
Bed temperature
80–100 °C
Print speed
50–200 mm/s
Curing temperature
80 °C
Storage humidity
< 20 % RH (in a sealed container with desiccant)
Vicat softening temperature
105 °C
Heat deflection temperature
96 °C
Melting temperature
120 °C
Melt flow index (MFI)
15.5 g/10 min
Tensile strength
50 MPa
Flexural strength
73 MPa
Flexural modulus
2144 MPa
Elongation at break
20 %
Impact resistance
18 kJ/m²
Weather resistance
high resistance to UV radiation, rain, and temperatures