iSANMATE ASA Filament 1.75mm Black 1KG
4.4Editor score
Weather resistant
Dimensional accuracy
Vacuum-sealed packaging
In this guide
Finding the right filament for outdoor 3D prints is crucial for ensuring longevity and performance in harsh environmental conditions. Materials like ASA offer superior resistance to UV rays and weather compared to standard PLA or ABS.
We have evaluated ten top-rated options based on user reviews, technical specifications, and real-world performance data. This list covers a range of brands and price points to suit different printing needs and budgets effectively.
Each pick highlights key strengths such as heat tolerance, dimensional accuracy, and ease of printing. Please note that prices and availability change frequently so check current listings before making your final purchase decision.
Top 3 Picks for Best Filament for Outdoor 3D Prints
ELEGOO ASA 3D Printer Filament 1.75mm Deep Black 1KG
4.7Editor score
Superior heat resistance
High impact strength
Excellent UV protection
Polymaker ASA Filament 1.75mm White 1KG
4.5Editor score
High heat tolerance
Mechanical properties
Strong layer adhesion
Top 10 Best Filament for Outdoor 3D Prints in 2026 Compared
This side-by-side comparison reviews all ten selected products to help you identify the best fit for your specific 3D printing requirements and environmental challenges.
ProductsSpecificationsEditor scorePrice
Best Budget
iSANMATE ASA Filament 1.75mm Black 1KG
Temperature range 240-270C
Bed temp 80-100C
Speed 30-100mm/s
Accuracy +/- 0.02mm
4.4Editor score
Editor's Choice
OVERTURE ASA Filament 1.75mm, 1kg Black
Clog-free formula
Vacuum-sealed packaging
Accuracy +/- 0.02mm
Shelf life 1 year
4.5Editor score
Editor's Choice
ELEGOO ASA 3D Printer Filament 1.75mm Deep Black 1KG
Heat deflection 99C
Water resistance
High impact strength
Vacuum-sealed packaging
4.7Editor score
Polymaker ASA Filament 1.75mm White 1KG
Nozzle 250C
Bed 90C
Speed 50mm/s
Heat resistance 100C
4.5Editor score
ERYONE ASA Filament 1.75mm UV&Weather Resistant 1kg
Speed up to 200mm/s
Pre-dried spools
Vacuum-sealed
Chemical resistant
4.7Editor score
Polymaker ASA Filament Bundle 2KG Black*2
Bundle of 2kg
Heat deflection 103C
Vicat 105C
Odor reduced
4.8Editor score
Creality ASA Filament 1.75mm 1kg Spool
Speed up to 350mm/s
Heat tolerance 100C
Accuracy +/- 0.03mm
Sunscreen protection
4.5Editor score
SUNLU 3D Printer ASA Filament 1.75mm Grey
Nozzle 230-260C
Bed 80-120C
Speed 50-100mm/s
Accuracy +/- 0.02mm
4.6Editor score
Creality Hyper ASA Filament 1.75mm 1KG Black
Speed up to 350mm/s
Heat stability 100C
UV resistant
Impact resistant
4.5Editor score
Geeetech ASA Filament 1.75mm White 1kg
Nozzle 250C
Bed 90C
Speed 50mm/s
Recycled spools
4.2Editor score
1. ELEGOO ASA – Best Overall Filament for Outdoor 3D Prints
ELEGOO ASA 3D Printer Filament 1.75mm Deep Black 1KG
Heat deflection 99C
Water resistant
Vacuum sealed
High impact strength
The ELEGOO ASA filament stands out as a top performer with a high rating and exceptional engineering properties. It is specifically designed to endure prolonged exposure to sunlight and harsh conditions without fading.
Pros
- Excellent UV resistance
- High heat tolerance
- Strong impact resistance
- Consistent extrusion
- Vacuum-sealed packaging
Cons
- Requires enclosed printer
- May need drying
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Its superior heat and water resistance make it ideal for functional parts that face high temperatures. The filament maintains strength and stability in demanding environments ensuring reliable performance over time.
While it requires an enclosed printer to prevent warping this is a standard trade-off for high-quality ASA. The vacuum-sealed packaging ensures optimal printing performance right out of the package.
This filament is perfect for those needing durable outdoor components like drone frames or automotive parts. It delivers consistent results and dependable interlayer adhesion for professional-grade prints.
Superior Weather Resistance
Engineered to endure prolonged exposure to sunlight rain and harsh outdoor conditions without fading or declining mechanical performance.
High Impact Strength
Combines outstanding durability toughness and rigidity making it perfect for functional prototypes and equipment that must withstand daily wear and impacts.
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2. iSANMATE ASA – Best Budget Filament for Outdoor 3D Prints
iSANMATE ASA Filament 1.75mm Black 1KG
UV resistant
Weather resistant
Accuracy 0.02mm
Vacuum sealed
iSANMATE offers a highly durable material with exceptional UV weather mechanical and thermal resistance at an accessible price point. It ensures stability and durability in various temperature environments for outdoor use.
Pros
- Affordable pricing
- Excellent UV resistance
- Dimensional accuracy
- Wide compatibility
- Technical support
Cons
- Requires enclosed environment
- Glue on bed recommended
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The filament is compatible with most consumer and industrial 3D printers providing effective protection against breakage and color degradation. It is ideal for long-term outdoor purposes with reliable performance.
Printing requires a closed environment and a hot bed temperature between 80 and 100 degrees Celsius. Applying glue to the bed is recommended to prevent warping and ensure adhesion.
This is an excellent choice for budget-conscious makers needing reliable outdoor parts. The vacuum-sealed packaging and technical solutions add value to the purchase.
Cost-Effective Durability
Offers exceptional UV and weather resistance ensuring stability and durability in different temperature environments at a competitive price.
Reliable Technical Support
Provides fast and efficient technical solutions when you have any printing problems with a 24-hour guaranteed reply.
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3. Polymaker ASA – Best Premium Filament for Outdoor 3D Prints
Polymaker ASA Filament 1.75mm White 1KG
Heat resistance 100C
High toughness
Strong layer adhesion
Lifetime support
Polymaker ASA combines ABS properties with added weather resistance making it suitable for outdoor applications like RC planes and car accessories. It is less prone to environmental stress cracking.
Pros
- High heat resistance
- Mechanical properties
- Strong and durable
- Less prone to stress cracking
- Lifetime technical support
Cons
- Higher price point
- Enclosed printer needed
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The filament can withstand temperatures up to 100 degrees Celsius offering high toughness and impact resistance. It shares the same properties as ABS with enhanced durability for real-world applications.
Large parts require an enclosed printer to prevent warping during the printing process. The brand offers lifetime technical support to assist in achieving flawless and beautiful prints.
This premium option is ideal for projects needing reliable strength and precise fit. It is perfect for functional prototypes mechanical parts and tools requiring durable performance.
Enhanced Weather Resistance
Combines properties of ABS with added weather resistance making it suitable for outdoor applications and less prone to environmental stress cracking.
High Heat Resistance
Withstands temperatures up to 100C and offers high toughness and impact resistance making it suitable for functional applications.
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4. OVERTURE ASA – Reliable High Performance Filament for Outdoor 3D Prints
OVERTURE ASA Filament 1.75mm, 1kg Black
Clog-free formula
Dimensional accuracy
Vacuum-sealed
Wide compatibility
OVERTURE ASA filament is specially formulated to provide excellent protection against UV rays and temperature resistance. It ensures stability and durability in different temperature environments for long-term use.
Pros
- Clog-free printing
- Bubble-free experience
- Consistent diameter
- 1-year shelf life
- Dedicated support
Cons
- Requires drying before use
- Enclosed printer recommended
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The patented clog-free formula guarantees a smooth and seamless printing experience. All spools undergo thorough drying for 24 hours before packaging and are vacuum-sealed in resealable foil packaging.
Advanced CCD diameter measuring and self-adaptive control systems guarantee strict tolerances with 98% dimensional accuracy. This ensures consistent results without any exaggeration of specs.
This filament is a reliable partner for both indoor and outdoor projects. It offers an extensive selection of vibrant colors to explore your creative side with unique creations.
Patented Clog-Free Formula
Designed and manufactured with patented clog-free formula to guarantee a smooth and seamless printing experience.
Advanced Quality Control
Advanced CCD diameter measuring and self-adaptive control system guarantee strict tolerances with 98% dimensional accuracy.
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5. ERYONE ASA – Fast-Speed Printing Filament for Outdoor 3D Prints
ERYONE ASA Filament 1.75mm UV&Weather Resistant 1kg
Speed up to 200mm/s
Low warping
Pre-dried
Chemical resistant
ERYONE High-Speed ASA Filament is engineered for fast and efficient 3D printing with speeds up to 200mm/s. Its optimized fluidity delivers consistent material flow and smooth extrusion.
Pros
- High-speed printing
- Excellent UV resistance
- Stable extrusion
- Pre-dried spools
- Dependable support
Cons
- Requires high-speed printer
- Enclosed printer needed
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Built for demanding outdoor applications this filament offers excellent resistance to UV exposure heat weather and common chemicals. Printed parts retain their strength color and appearance over time.
For best results dry the filament thoroughly before printing and use an enclosed 3D printer whenever possible. Maintain a stable printing temperature to improve layer adhesion and surface quality.
This option is ideal for those needing short print times and reliable results. The vacuum-sealed packaging and professional customer support ensure smooth printing experiences.
High-Speed Capability
Engineered for fast printing with speeds up to 200mm/s delivering consistent material flow and smooth extrusion.
Optimized Packaging
Every spool is pre-dried and vacuum-sealed with desiccant to protect it from moisture during storage and transportation.
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6. Polymaker ASA Bundle – Bulk Pack Filament for Outdoor 3D Prints
Polymaker ASA Filament Bundle 2KG Black*2
Heat deflection 103C
Vicat 105C
Bundle of 2kg
Less odour
Polymaker ASA Bundle combines the properties of ABS with excellent UV and weather resistance for robust mechanical performance. It supports brackets housings garden fixtures and automotive accessories.
Pros
- High value bundle
- Strong mechanical performance
- High heat resistance
- Stable prints
- Low odour
Cons
- Bulk quantity
- Requires enclosure
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This bundle offers five launch options covering various color combinations to suit your workflow. Two-roll sets support repeat work or coordinated project colors for higher-volume printing.
The filament has a heat deflection temperature up to 103 degrees Celsius making it suited to real-world parts that must stay stable in hot environments. It is engineered for strong and stable prints.
This is an excellent choice for users needing larger volumes of reliable material. The lower odour and robust performance make it suitable for professional environments.
High Heat Performance
Heat deflection temperature up to 103C at 0.45 MPa and Vicat softening temperature of 105C suited for real-world parts.
Engineered for Stability
Produce functional parts with excellent stiffness and dimensional stability designed to resist bending and deformation.
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7. Creality ASA – High-Temperature Filament for Outdoor 3D Prints
Creality ASA Filament 1.75mm 1kg Spool
Speed up to 350mm/s
Heat tolerance 100C
Sunscreen protection
High impact strength
Creality HP ASA offers exceptional protection against UV radiation aging and corrosion. Models printed with it maintain a fresh appearance even when exposed to direct sunlight for extended periods.
Pros
- Fast printing speed
- High heat tolerance
- Wide applicability
- Sturdy and durable
- Sunscreen protection
Cons
- Accuracy slightly lower
- Requires enclosure
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Its toughness and high impact strength make it ideal for outdoor applications and standard structural needs. Unlike regular PETG or ABS it can maintain its form even at 100 degrees Celsius.
The printing speed can reach up to 350mm/s allowing for smooth and consistent prints without clogging. It is suitable for most Creality 3D Printers and high-speed printers.
This filament is perfect for users seeking speed and reliability. It is an excellent choice for functional parts needing heat tolerance and weather resistance.
High Speed Printing
The printing speed can reach up to 350mm/s allowing for smooth and consistent prints without clogging.
Enhanced Heat Tolerance
Unlike regular PETG or ABS it can maintain its form even at 100 degrees Celsius.
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8. SUNLU ASA – High Quality Filament for Outdoor 3D Prints
SUNLU 3D Printer ASA Filament 1.75mm Grey
Accuracy +/- 0.02mm
Vacuum packaging
Heat resistant spool
Multiple colors
SUNLU ASA filament is very strong and tough stronger than PLA and ABS filament. It features no clog no bubble no tangle good layer adhesion and is easy to use.
Pros
- Strong and tough
- UV rain heat resistant
- Vacuum packaging
- Easy to use
- Professional support
Cons
- Enclosed printer needed
- Specific color available
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The new 3rd generation spools are heat resistant with a multi-hole design for full drying. They have been upgraded to better fit AMS and AMS LITE systems.
This filament offers UV rain and heat resistance making it great for printing outdoor functional mechanical parts. Dimensional accuracy is +/- 0.02mm ensuring wide compatibility.
Vacuum packaging ensures the filaments remain moisture-free from factory to printer. SUNLU offers a professional team for support and warranty on any problems.
High Quality Spools
New 3rd generation high temperature resistant white spools with multi-hole design for full drying and better fit for AMS.
Reliable UV Resistance
Great for printing outdoor functional mechanical parts with UV rain and heat resistance ensuring durability.
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9. Creality Hyper ASA – Advanced High-Speed Filament for Outdoor 3D Prints
Creality Hyper ASA Filament 1.75mm 1KG Black
Speed up to 350mm/s
Thermal stability
Impact resistant
Broad compatibility
Creality HP ASA filament offers outstanding resistance to UV rays aging and corrosion. Prints retain their appearance and strength even after long-term sun exposure.
Pros
- High-speed printing
- Superior UV resistance
- Enhanced thermal stability
- Smooth printing
- High impact strength
Cons
- Requires high-speed printer
- Enclosed printer needed
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This filament features excellent toughness and high impact strength. Unlike standard PETG or ABS it maintains dimensional integrity at temperatures up to 100 degrees Celsius.
Optimized for speeds up to 350mm/s this filament delivers consistent extrusion without clogging or warping. It is compatible with most popular 3D printers including Creality K1 and K1 Max.
This is an excellent choice for users needing speed and reliability. It delivers consistent extrusion with high accuracy for efficient printing.
Superior UV Resistance
Outstanding resistance to UV rays aging and corrosion ensuring prints retain appearance and strength after long-term sun exposure.
High Speed Capability
Optimized for speeds up to 350mm/s delivering consistent extrusion without clogging or warping.
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10. Geeetech ASA – Sustainable Filament for Outdoor 3D Prints
Geeetech ASA Filament 1.75mm White 1kg
Recycled spools
Accuracy 0.02mm
Vacuum sealed
High heat tolerance
Geeetech ASA filament offers excellent UV protection and weather resistance minimizing environmental stress cracking. It maintains structural integrity in sunlight rain and harsh climates.
Pros
- Eco-friendly design
- High heat tolerance
- Clog-free printing
- Vibrant colors
- Lifetime support
Cons
- Slightly lower rating
- Enclosed printer needed
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This filament withstands temperatures up to 100 degrees Celsius and delivers exceptional impact resistance. It is ideal for functional parts requiring strength and heat stability.
Patented anti-clog formula and 24-hour pre-drying process ensure smooth and consistent extrusion. It works seamlessly with most FDM 3D printers both consumer and industrial.
Packaged on 100% recycled cardboard spools this is an eco-friendly design. It is compatible with major 3D printer brands and offers lifetime technical support.
Superior Weather Resistance
Engineered for outdoor durability with excellent UV protection and weather resistance minimizing environmental stress cracking.
Eco-Friendly Design
Packaged on 100% recycled cardboard spools for sustainable manufacturing.
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Buying Guide – How to Choose the Best Filament for Outdoor 3D Prints
Choosing the right filament requires evaluating material properties against your project needs. Consider these factors to ensure your prints survive outdoor conditions.
UV Resistance
UV resistance is the most critical factor for outdoor 3D prints. Materials like ASA and PETG withstand sunlight without becoming brittle or yellowing over time. Look for products explicitly marketed as UV-resistant.
Select filaments that have proven resistance to sun exposure to maintain structural integrity.
Heat Deflection Temperature
Outdoor parts often face high heat especially in vehicles or direct sunlight. Ensure the filament has a heat deflection temperature above 80 degrees Celsius to prevent deformation.
Higher HDT values provide better stability in hot environments.
Moisture and Weather Resistance
Rain and humidity can degrade certain plastics. Choose filaments that offer good water resistance and do not absorb moisture easily which can lead to print failure.
Vacuum-sealed packaging and proper storage are essential for maintaining filament quality.
Mechanical Strength
Outdoor functional parts must withstand physical stress and impacts. Evaluate tensile strength and toughness to ensure durability in demanding applications.
Look for filaments that balance flexibility and rigidity for structural integrity.
Dimensional Accuracy
Consistent filament diameter ensures reliable extrusion and layer adhesion. Check specifications for tolerance levels typically around +/- 0.02mm for professional results.
Accurate dimensions reduce print failures and improve part quality.
Printer Compatibility
Ensure your 3D printer can handle the required nozzle and bed temperatures. Enclosed printers are highly recommended to prevent warping during the printing process.
Verify that your hardware supports the specific printing parameters of the chosen filament.
Ease of Printing
Some filaments are more prone to warping or clogging. Choose options with good printability features like bubble-free formulas or optimized extrusion properties for smoother prints.
Filaments with clear printing guides and technical support can simplify your workflow.
Cost and Value
Compare the price relative to the spool weight and features offered. While premium brands may cost more they often provide better consistency and customer support.
Balance your budget with the performance requirements of your project.
How to Use and Care for Your Filament for Outdoor 3D Prints
Always store your filament in a dry and cool environment to prevent moisture absorption. Use vacuum-sealed bags or dry boxes with desiccants to maintain quality over time.
Dry the filament before printing if it has been exposed to humidity. This ensures smooth extrusion and prevents bubbles or clogs during the print process.
Use an enclosed 3D printer to maintain a consistent temperature during printing. This reduces the risk of warping and improves layer adhesion for durable outdoor parts.
Frequently Asked Questions
Is ASA filament better than PLA for outdoor 3D prints?
Yes, ASA is significantly better for outdoor use because it is resistant to UV rays and heat. PLA degrades quickly when exposed to sunlight leading to brittleness and loss of strength. ASA maintains its mechanical properties even after long-term sun exposure.
Do I need an enclosed 3D printer for ASA?
It is highly recommended to use an enclosed printer for ASA to prevent warping. The material is sensitive to drafts and temperature changes which can cause layers to separate. An enclosure helps maintain a stable environment for better print quality.
How do I know if filament is UV resistant?
Check the product specifications for explicit mentions of UV resistance or weather resistance. Brands often highlight these features prominently. Look for materials like ASA or specialized PETG which are engineered for outdoor durability.
Can I use regular PLA for outdoor projects?
Regular PLA is not suitable for outdoor projects because it degrades under UV exposure. It becomes brittle and loses strength quickly. It is better to choose ASA or PETG for any outdoor application.
What is the heat tolerance of ASA filament?
Most ASA filaments have a heat deflection temperature around 90 to 100 degrees Celsius. This allows them to withstand higher temperatures than PLA which is ideal for car interiors or hot climates.
How should I store ASA filament?
Store ASA filament in a cool dry place away from direct sunlight. Keep it vacuum-sealed or in a dry box with desiccant to prevent moisture absorption which can degrade print quality.
Is ASA filament safe to print?
ASA emits fumes similar to ABS so ventilation is necessary. Use a printer with a carbon filter or print in a well-ventilated area to ensure safety. It is generally considered safe with proper precautions.
Why is my ASA print warping?
Warping is common due to drafts or improper bed adhesion. Ensure you are using an enclosed printer and a heated bed. Applying glue or tape to the bed can also help prevent warping.
Final Thoughts on Choosing the Best Filament for Outdoor 3D Prints
Our top picks include ELEGOO for overall performance iSANMATE for budget options and Polymaker for premium quality. Each offers unique advantages depending on your printing needs.
Prioritize UV resistance heat tolerance and ease of printing when making your choice. These factors ensure your outdoor parts remain functional and durable over time.
Remember to check current prices and availability before purchasing. These factors change frequently so verify details to get the best deal for your project.