Polymaker ASA Filament 1.75mm Galaxy Red - Weather Resistant Outdoor

In this review the Polymaker ASA Filament 1.75mm Galaxy Red is examined as a practical choice for makers who need durable outdoor parts. The biggest reason to buy is its combination of ABS-like toughness with added UV and weather resistance, which makes it a go-to for functional prints exposed to sunlight and heat. The review focuses on real-world use, common printing settings, and where this filament excels or requires caution for large or intricate parts.

Key Features

• Weather resistant: The filament is UV-resistant and less prone to environmental stress cracking, making it suitable for outdoor applications such as RC planes and car accessories.
• High heat tolerance: Rated to handle temperatures up to 100 C (212F), it holds shape under elevated temperature conditions better than many PLA variants.
• Mechanical strength: Shares ABS-like toughness and impact resistance, which benefits functional parts that need to withstand shock and load.
• Eco packaging: Now supplied on a fully recycled cardboard spool and box, reducing single-use plastic in packaging.
• Recommended settings: Suggested printing at a 250 C nozzle and 90 C bed with ~50 mm/s speed gives a reliable starting point for typical printers.

Who It's For

This filament is aimed at hobbyists and small workshops printing outdoor functional parts that must resist sunlight and heat, such as RC components, exterior mounts, and automotive trim. Users who value toughness and weather resistance over brittle aesthetics will appreciate the performance.

Those with small or open-frame printers who cannot maintain an elevated ambient temperature for large parts should look elsewhere or use an enclosure, as ASA benefits from controlled cooling to reduce warping. Beginners should be prepared to tune temperature and adhesion to match their printer and build plate.

Pros & Cons

Pros

• Consistent print quality when using the recommended settings yields good surface finish and dimensional stability.
• Durability and impact resistance make it well suited for functional outdoor parts.
• Recycled cardboard spool reduces packaging waste compared with plastic spools.

Cons

• Some users report occasional filament breakage or inconsistent feeding, so careful handling and spool tension checks are advised.
• Adhesion and warping results can be mixed on different machines; an enclosure and proper bed prep are often needed for large prints.

Specifications

Our Verdict

Polymaker ASA Galaxy Red is a strong value for makers needing UV-resistant, heat-tolerant filament for outdoor functional parts. It offers ABS-like mechanical properties and sensible recommended settings, plus more sustainable packaging. Buyers with open printers or those seeking effortless adhesion may need to tune settings or use an enclosure, but for outdoor applications this filament delivers reliable performance and good long-term value.

Frequently Asked Questions

Do I need an enclosure to print this filament?
An enclosure is recommended for large parts to reduce warping, though small prints can succeed on some machines with careful bed adhesion and temperature control.

What bed surface and adhesion aids work best?
A heated bed at 90 C with a PEI sheet, ABS slurry, or a glue stick helps adhesion; test a small brim if warping appears.

Is this filament suitable for prolonged sun exposure?
Yes, the material is UV-resistant and formulated to be less prone to environmental stress cracking, making it appropriate for outdoor use.