ROSA3D ASA Filament 1.75mm 1kg Black Refill

ROSA3D ASA filament 1.75mm 1kg Black Refill is a high-performance 3D printing material engineered for exceptional durability and resistance to environmental factors. This filament is specifically designed for users who prioritize sustainability and cost-efficiency by utilizing their own reusable spool systems. As an advanced thermoplastic, ASA offers superior mechanical strength and thermal stability, making it a reliable choice for demanding engineering projects and functional components that require long-term performance.

Advantages

The primary benefit of this ASA filament is its outstanding resistance to UV radiation, moisture, and fluctuating weather conditions, which prevents degradation when exposed to direct sunlight. Compared to traditional ABS, this material exhibits significantly reduced shrinkage during the printing process, leading to higher dimensional accuracy and fewer warping issues. Furthermore, it produces fewer irritating vapors, creating a more comfortable working environment. With a high softening point of approximately 94°C, prints maintain their structural integrity under thermal stress, outperforming standard materials like PLA or PET-G in heat-intensive applications.

Suitable for

• Outdoor functional prototypes
• Automotive exterior parts such as sensor covers
• Marine equipment components
• Radiator and ventilation housings
• Durable mechanical parts requiring thermal resistance

When it may not be suitable

This filament is generally not recommended for beginners using open-frame 3D printers, as it typically requires a heated build chamber to prevent warping and ensure optimal layer adhesion. It may also be unsuitable for indoor decorative items where the specific mechanical properties of ASA are not required, as easier-to-print materials like PLA might be more cost-effective for those purposes.

Key specifications

• Diameter: 1.75 mm
• Weight: 1 kg
• Extrusion temperature: 220-250°C
• Bed temperature: 90-110°C
• Vicat softening point: 94°C
• Tensile strength: 40 MPa
• Diameter tolerance: +/- 0.05 mm
• Oval tolerance: +/- 0.02 mm

How to use

To achieve the best results, mount the refill coil onto your reusable spool before loading it into the printer. Ensure your 3D printer is equipped with a heated bed and preferably a closed chamber to maintain a stable ambient temperature. Clean the print surface thoroughly and consider using an ASA slurry, made by dissolving small amounts of the filament in acetone, to enhance first-layer adhesion. Adjust your slicer settings to match the recommended temperature range and ensure the cooling fan is set to a low speed or turned off to prevent layer separation.

What to consider before purchase

• Ensure your printer has a heated bed capable of reaching at least 90°C.
• Verify that your printer is enclosed to manage thermal contraction.
• Confirm you have a compatible reusable spool to hold the refill coil.
• Check that your printer's hotend can consistently maintain temperatures up to 250°C.

Usage recommendations: For optimal results, store the filament in a dry, cool place away from direct sunlight when not in use. If the material absorbs moisture, dry it in a filament dryer before printing to ensure the highest surface quality and mechanical strength.