Top Picks for ASA Filament Brands: Quality and Performance Leaders

ASA filament, known for its superior UV resistance and weatherproof qualities, has become a popular choice for outdoor 3D printing needs. As the demand for durable and high-quality filaments grows, several brands have stood out in the market for their top-notch ASA offerings. These brands are renowned for providing consistent filament quality, ease of printing, and excellent post-print durability, making them favorites among hobbyists and professionals alike. To discover which brands lead the pack and why they're so highly recommended, explore the list below.

Illustration of asa filament

Best brands of asa filament in 2025

Prusament by Prusa Research

Prusament by Prusa Research is renowned for its high-quality ASA filament, which offers superior UV stability, reduced warping, and lower odor compared to ABS. ASA Prusament begins to soften at 110°C and fails at 120°C, demonstrating excellent thermal resistance. Each spool of ASA Prusament contains 850g of material due to its lower density, ensuring the same volume of material as 1kg spools of PLA or PETG. Prusa Research's automated production process, including dual-axis laser diameter measurements and robotic spooling, ensures consistent and high-quality filament. The company's rigorous testing and development process has made their ASA filament a top choice for detailed prints without stringing or bridging issues.

Polymaker

Polymaker is a leading brand in the 3D printing filament market, particularly renowned for its PolyLite ASA filaments, which offer excellent UV and water resistance, making them ideal for outdoor use. With mechanical properties similar to ABS but enhanced weather resistance, PolyLite ASA is a popular choice. In 2023, the general purpose filament segment, which includes ASA, accounted for 54.46% of the market share, valued at USD 497.92 million. Polymaker's filaments are compatible with a wide range of 3D printers and are known for their high heat resistance and sparkling glitter particles in the Galaxy series. The company's products are widely used in various applications, including prototyping and functional parts.

eSUN

eSUN is a leading producer of ASA filament, renowned for its high-quality and durable 3D printing materials. Their ASA filaments boast excellent UV stability, high toughness, and strong rigidity, making them ideal for outdoor applications. With a heat distortion temperature of 88°C and a tensile strength of 50 MPa, eSUN's ASA filaments demonstrate superior mechanical properties. The filament's density of 1 g/cm³ and recommended extruder temperature of 240-270°C ensure optimal print quality. eSUN's commitment to innovation and quality has made their ASA filaments a preferred choice in various industries, including automotive and construction.

Fillamentum

Fillamentum is a leading brand in the production of high-quality ASA filament, known for its superior properties such as high UV stability, weather resistance, and impact resilience. The company has seen a significant increase in the popularity of ASA, with production volumes rising by over 90% in recent years, while ABS production has decreased by more than 50%. Fillamentum's ASA Extrafill filament boasts a tensile strength of 40 MPa, 35% elongation at break, and a flexural strength of 62 MPa, making it ideal for outdoor applications and prototyping. The filament is available in various colors and diameters, including 1.75 mm and 2.85 mm, and is recommended for use at print temperatures between 240-255 degC. Fillamentum's ASA Extrafill also features low moisture absorption, chemical resistance, and recyclability, making it a preferred choice among designers and manufacturers.

MatterHackers

MatterHackers is renowned for its high-quality PRO Series 3D printer filaments, including ASA (Acrylonitrile Styrene Acrylate), which is celebrated for its strength, weather resistance, and high-impact resilience. The company ensures precise filament diameter measurements using two and three-axis laser systems, maintaining a +/- 0.02mm tolerance to guarantee consistent prints. MatterHackers' rigorous testing, including ISO certified evaluations for tensile strength, melt flow index, and flexural properties, ensures uniformity and performance in every spool. Their commitment to quality is evident in their precise color control, using CIELAB identifiers or PANTONE codes to maintain color continuity between batches. This attention to detail makes MatterHackers a trusted brand in the 3D printing industry. You can find more information about the science behind their PRO Series on their website.

3DXTech

3DXTech is a leading producer of ASA filament, known for its high-quality, UV-resistant, and weatherable polymers. Their 3DXMAX ASA filament boasts excellent mechanical and thermal properties, with a glass transition temperature of 105°C, making it ideal for outdoor and industrial applications. This filament is highly resistant to ultra-violet radiation and sunlight, and it is easier to print than most industrial-grade materials. 3DXTech's ASA filament is available in various colors and features a low-gloss matte finish, enhancing the aesthetic appeal of 3D printed parts. The market for ASA filament is expected to grow significantly, with a CAGR of 21.87% from 2024 to 2029, driven by increasing demand in sectors like automotive and customized manufacturing.

BASF Ultrafuse

BASF Ultrafuse is a leading producer of high-performance ASA filament, offering exceptional mechanical properties similar to ABS but with enhanced UV resistance, weather resistance, and chemical stability. Ultrafuse ASA filament boasts a tensile strength of up to 40 MPa and a heat deflection temperature (HDT) of 92°C at 1.8 MPa, making it ideal for outdoor and industrial applications. It also exhibits minimal shrinkage and excellent layer adhesion, reducing warping and ensuring geometric accuracy. The filament is optimized for large-format 3D printing and can be stored for up to 12 months when kept in a dry environment at 15-25°C. With its robust properties and ease of printing, Ultrafuse ASA is a preferred choice for functional prototypes, end-use parts, and tooling. For more details, visit the official Ultrafuse ASA filament page.

FormFutura

FormFutura is a leading producer of high-performance ASA filament, particularly with their ApolloX™ line, which offers exceptional UV and weather resistance, high thermal stability, and perfect layer adhesion. This filament is ideal for outdoor and automotive applications due to its high strength and heat resistance. The market for ASA filament, in which FormFutura is a key player, is expected to grow at a CAGR of 21.87% from 2024 to 2029, reaching a market size of USD 420.27 million by 2029. FormFutura's ApolloX™ ASA filament is also FDA compliant and optimized for large-format 3D printing, making it a preferred choice for industrial and end-use parts.

Rigid.ink

Rigid.ink is a prominent brand in the ASA filament market, known for its high-quality 3D printing materials. The ASA filament by Rigid.ink is valued for its durability, heat resistance, and robustness, making it ideal for applications such as electrical installations, car parts, and outdoor use. Despite the challenges like higher extruder temperatures and energy requirements, Rigid.ink's ASA filaments are part of a market expected to grow at a CAGR of 23.48% from 2020 to 2027, reaching a total market size of US$259.040 million by 2027. The brand's commitment to quality and compatibility with various 3D printers has made it a favorite among 3D printing enthusiasts. However, the higher cost and potential for parts to crack or warp are factors to consider.

Paramount 3D

Paramount 3D is recognized for producing high-quality ASA filaments, celebrated for their exceptional temperature resistance, high-impact resilience, and toughness. The ASA filament market, projected to reach USD 156.31 million in 2024 and growing at a CAGR of 21.87% to USD 420.27 million by 2029, is fueled by demand from industries such as automotive and aerospace. Leading companies like 3D-Fuel are spearheading innovation with enhanced ASA formulations, emphasizing superior UV resistance and improved printability. The Asia-Pacific region is witnessing rapid expansion, driven by significant industrial investments in 3D printing technologies. These technological advancements and market dynamics underscore the critical role of reliable and high-performance ASA filaments.