SUNLU ASA Filament 1.75mm Black – 1kg Spool for 3D Printing

Engineered with excellent UV resistance and low shrinkage, SUNLU ASA filament delivers reliable, functional 3D prints that withstand outdoor conditions and mechanical stress.

Overview

This ASA (Acrylonitrile Styrene Acrylate) filament is a robust alternative to ABS, offering improved weather resistance and a matte black finish. With a diameter of 1.75mm and a tolerance of ±0.02mm, it ensures consistent extrusion and high-quality surface detail. The 1kg spool is vacuum-sealed with desiccant to maintain optimal dryness, ready for professional and hobbyist applications.

What stands out

• Excellent UV and weather resistance prevents fading and degradation
• Low shrinkage compared to ABS, reducing warping during printing
• High tensile strength and stiffness for durable end-use parts
• Consistent 1.75mm diameter with tight tolerance

Technical details

• Material: ASA (Acrylonitrile Styrene Acrylate)
• Filament Diameter: 1.75 mm ± 0.02 mm
• Net Weight: 1 kg
• Recommended Printing Temperature: 220–260 °C
• Recommended Bed Temperature: 80–120 °C
• Recommended Printing Speed: 50–100 mm/s
• Density: 1.05–1.07 g/cm³
• Tensile Strength: 40–50 MPa
• Elongation at Break: 20–30%
• Heat Deflection Temperature (HDT): 90–105 °C at 0.45 MPa
• Water Absorption: Low
• Spool Dimensions: 200 mm (diameter) × 65 mm (width)

Our verdict

SUNLU ASA filament is a dependable choice for parts that need to survive harsh environments. Its excellent thermal and UV resistance, combined with easy printing characteristics, makes it ideal for automotive, outdoor, and prototyping applications.