Siraya Tech Tenacious Flex
4.7Editor score
Fast rebound action
Rubber-like softness
Excellent durability
In this guide
Flexible resin for 3D printing allows creators to produce parts that bend, stretch, and absorb shock. These materials are essential for functional prototypes, wearable items, and durable components that need to withstand stress without breaking.
We evaluated ten leading flexible resins by analyzing their shore hardness, elongation at break, printing speed, and overall durability. Our comparison focuses on real-world performance metrics and user feedback to help you find the right material for your projects.
Each pick highlights specific strengths like impact resistance, smooth finish, or compatibility with different printers. Keep in mind that availability and stock levels can change quickly, so verify current details before making your final purchasing decision today.
Top 3 Picks for Best Flexible Resin for 3D Printing
ANYCUBIC Ultra Tough Resin
4.7Editor score
High impact resistance
Superb flexibility
Non-irritating skin feel
Superflex 3D Printer Resin
4.4Editor score
ISO 10993-5 certified
Fast 50um printing
80A Shore hardness
Top 10 Best Flexible Resin for 3D Printing in 2026 Compared
The following table provides a side-by-side comparison of the ten selected flexible resins. We focus on key technical specifications and performance attributes to help you quickly identify the best match for your specific printing needs and printer type.
ProductsSpecificationsEditor scorePrice
Best Budget
Superflex 3D Printer Resin
Shore 80A hardness
100% elongation at break
ISO 10993-5 certified
Clear color option
4.4Editor score
Editor's Choice
ANYCUBIC Ultra Tough Resin
High impact resistance
Exceptional flexibility
Skin-friendly non-irritating
Black 1kg size
4.7Editor score
Best Premium
SUNLU Flexible 3D Printer Resin
70A Shore durometer
135% elongation at break
Low shrinkage rate
Gray 1000g bottle
3.5Editor score
Siraya Tech Tenacious Flex
Fast rebound elasticity
Rubber-like flexibility
High impact resistance
Black 500g pack
4.7Editor score
ANYCUBIC Tough Resin 2.0
Upgraded high toughness
Strong elongation
Low-odor formulation
Grey 1kg size
4.6Editor score
SUNLU High Toughness Resin
Enhanced flexible properties
Low viscosity flow
Minimal shrinkage
Grey 1KG weight
4.7Editor score
ELEGOO Tough 3D Printer Resin
Shore 84.7D hardness
Fine texture surface
Strong impact resistance
Black 1000g bottle
4.5Editor score
Siraya Tech Rebound 55A
55A Shore hardness
Fast rebound action
High elasticity
Black 1kg pack
4.2Editor score
ANYCUBIC Tough Resin 2.0 Clear
High precision accuracy
Unmatched flexural strength
Low-odor composition
Clear 1kg size
4.6Editor score
Flexible & Upgraded Tough Resin
Shore 90A hardness
High tear resistance
Tough resilient formula
Black 1000g size
4.4Editor score
1. ANYCUBIC Ultra Tough Resin – Best Overall Flexible Resin
ANYCUBIC Ultra Tough Resin
Exceptional impact resistance
Non-irritating skin feel
Versatile additive use
Strong elongation properties
This resin stands out for its outstanding toughness and superb flexibility making it ideal for various functional applications. Users report a high level of satisfaction with its ability to withstand external forces without damage.
Pros
- Excellent flexibility and resilience
- Non-irritating for wearables
- Resists brittleness and corrosion
- High precision printing capability
- Great for articulated models
Cons
- Color blending may vary
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Its capacity to recover shape after deformation ensures durability in demanding environments. The material also provides a gentle skin sensation which is perfect for wearable models like earphone covers or elf ears.
While blending it with other resins can affect final color, the core properties remain robust. It offers strong resistance to softening or corrosion even in high humidity conditions which is rare for flexible materials.
Choose this if you need a versatile resin that balances flexibility with strength for both direct prints and additive use. It is highly recommended for creators needing reliable performance in everyday wearables or articulated parts.
Superior Flexibility and Resilience
The resin ensures a heightened resistance to damage through swift recovery of its original shape following deformation.
Ideal for Wearable Prototypes
Its non-irritating finish makes it safe for direct skin contact in daily wearable models.
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2. Siraya Tech Tenacious Flex – Best Budget Flexible Resin
Siraya Tech Tenacious Flex
Rubber-like softness
High impact resistance
Fast rebound action
Ideal for shock absorbing
Siraya Tech Tenacious Flex Black is significantly softer and more rubber-like than classic Tenacious resin. It offers faster rebound and incredible elasticity perfect for flexible and resilient 3D prints that need to bend repeatedly.
Pros
- Incredible elasticity and rebound
- Withstands extreme bending
- Soft rubber-like texture
- Boosts flexibility in blends
- Resistant to deformation
Cons
- May not suit all original Tenacious uses
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The material withstands extreme bending and compression quickly returning to its original shape. This superior elasticity allows for more dynamic and flexible prints that are both durable and not brittle under stress.
While it is an excellent additive to boost impact resistance in other resins, it may not suit all applications where the original Tenacious resin is typically used. It is designed specifically for high flexibility projects like gaskets.
Select this resin if you need a cost-effective option for shock-absorbing components or pliable prototypes. Its excellent performance as an additive also makes it a valuable tool for enhancing toughness in standard prints.
Enhanced Flexibility and Rebound
This formulation offers faster rebound and incredible elasticity perfect for flexible and resilient 3D prints.
Ideal for Specialized Applications
Perfect for projects requiring high flexibility such as soft grips gaskets and shock-absorbing components.
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3. Superflex 3D Printer Resin – Best Premium Flexible Resin
Superflex 3D Printer Resin
ISO 10993-5 certified
80A Shore hardness
100% elongation at break
Fast 50um layer print
Superflex 3D Printer Resin is distinguished by its fast printing capabilities and biocompatibility certification. Properly cleaned and fully post cured prints pass the ISO 10993-5 test making it suitable for medical or skin contact prototypes.
Pros
- Passes ISO biocompatibility test
- Fast printing saves time
- Balanced softness and strength
- Well-suited for cushioning
- Clear option available
Cons
- Limited to 500g size
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It features an 80A Shore durometer and 100% elongation at break well-suited for cushioning damping and shock absorption. The balanced softness with strength simulates rubber or TPU for hard flexible prototypes that need reliability.
Printing a 50um layer in 1.7 seconds with monochrome LCD printers saves on time and electricity bills. This speed enhances productivity by at least 40% which is critical for large printing farms or batch production runs.
Choose this premium option if you need certified safe materials for prototypes that may interact with humans. The fast printing speed and balanced properties make it a top choice for industrial or medical prototyping needs.
ISO Certified for Safety
Properly cleaned and fully post cured SuperFlex prints pass ISO 10993-5 test for safe skin contact.
High Speed Productivity Boost
Super fast printing enhances the productivity of 3D printing farm by at least 40% and up.
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4. SUNLU Flexible 3D Printer Resin – Best Smooth Finish
SUNLU Flexible 3D Printer Resin
70A Shore hardness
135% elongation at break
Low shrinkage rate
Minimal odor design
SUNLU Flexible 3D Printer Resin offers a perfect balance of softness and strength simulating rubber or durable flexible prototypes. It provides a high-resolution smooth surface finish to your models after cleaning for a professional look.
Pros
- Smooth high-resolution finish
- Excellent impact resistance
- Low shrinkage accuracy
- Minimal pungent odor
- Compatible with 99% printers
Cons
- Average user rating
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With 70A Shore durometer and 135% elongation at break this material exhibits formidable strength and flexibility. It offers excellent impact resistance making printed models durable and able to withstand drops without breaking easily.
The resin has low shrinkage providing accurate size and shape of printed parts. It is made of safe materials with an aromatic odor that is not pungent and does not cause irritating odors during printing sessions.
Pick this resin if you need a reliable option for soft and flexible items with minimal odor issues. Its high compatibility with most LCD DLP and SLA printers ensures it works well across various setups.
Smooth Surface and Finish
SUNLU Flexible resin offers a high-resolution smooth surface finish to your models after cleaning.
High Compatibility
Printing wavelength is 365-405nm compatible with 99% of printers on the market including LCD DLP SLA.
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5. ANYCUBIC Tough Resin 2.0 – Best Low Odor
ANYCUBIC Tough Resin 2.0
High toughness upgrade
Low-odor formulation
Strong elongation
Precision minimal shrinkage
ANYCUBIC Tough Resin 2.0 has undergone a comprehensive upgrade in terms of flexural strength making it less prone to fracture. It demonstrates enhanced toughness and flexibility effectively resisting peeling cracking and stress marks from cyclic vibrations.
Pros
- Resistant to breakage
- Low-odor non-irritating
- High precision details
- Widely compatible
- Good for industrial parts
Cons
- Standard grey color
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Featuring a low odor and non-irritating composition this resin creates a calm and comfortable printing environment. Its formulation significantly reduces volatile organic compounds making it a green and environmentally friendly choice for workshops.
ANYCUBIC Tough Resin 2.0 boasts excellent precision while maintaining a low shrinkage rate for smooth surfaces. It is applicable for industrial spare parts building models DIY maker design and other high-strength model production needs.
Use this if you need a balance of high strength and a user-friendly printing environment. The wide compatibility with most LCD Resin 3D Printers ensures you can use it on 4K 8K printers without issues.
Low Odor Environment
Its formulation significantly reduces volatile organic compounds making it a green and environmentally friendly choice.
Strong Elongation Properties
Exhibits formidable strength and flexibility effectively resisting peeling cracking and stress marks from vibrations.
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6. SUNLU High Toughness Resin – Best Long Lasting
SUNLU High Toughness Resin
5 times elongation
Low viscosity flow
Low shrinkage
Widely compatible
SUNLU high toughness 3d resin has long-lasting toughness and elongation 5 times higher than regular standard resin. It has excellent flexibility and bendability making your 3D printed models unbreakable and durable for structural applications.
Pros
- Long-lasting toughness
- High flexibility and bendability
- Best-in-class accuracy
- Easy to clean
- Good for structural parts
Cons
- Standard grey finish
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Low viscosity and high flowability result in shorter curing time and easier model formation for better accuracy. The R&D team focuses on reducing volume shrinkage during the curing process to improve your printing success rate.
SUNLU high toughness 3d resin has a lower printing odor providing a more comfortable environment for users. It is easy to use and can easily clean the print model with alcohol or ethanol after you finish the job.
Choose this if you need to print high toughness models like structural parts or solid models that must endure. The high compatibility with most LCD/DLP/SLA resin 3D printers makes it a versatile addition to your collection.
Better Accuracy and Results
Low viscosity and high flowability result in shorter curing time and easier model formation.
Low Shrinkage Stability
The printed model will not prone to cracking after wash and curing greatly improved your 3d printing success rate.
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7. ELEGOO Tough 3D Printer Resin – Best Durability
ELEGOO Tough 3D Printer Resin
Shore 84.7D hardness
Durable strong impact resistance
Good weather resistance
Wide application range
ELEGOO Tough Resin has excellent flexibility and extraordinary resilience. It is easy to bend but not easy to break and can withstand certain tension and stress with strong damage resistance for functional parts.
Pros
- Excellent flexibility and resilience
- Strong damage resistance
- Fine texture and weather resistance
- Low odor non-irritating
- Drillable without cracks
Cons
- Standard black color
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The cured resin has a Shore hardness of 84.7D exceeding that of others for a strong feel. It has high-strength physical properties and can withstand certain impacts making it very suitable for printing structural parts and tools.
The material shows excellent resistance to brittleness softening and corrosion even in high humidity or humid environments. It has high elasticity and flexibility ensuring excellent performance under extreme temperature conditions in your workshop.
Select this resin if you need a durable material for end-use products or functional prototypes. It allows you to drill without cracks and supports a wide range of applications including hangers jigs and artistic projects.
Durable and Strong
It has high-strength physical properties and can withstand certain impacts suitable for structural parts and tools.
Fine Texture and Weather Resistance
The 3d printing material has a fine texture and shows excellent resistance to brittleness softening and corrosion.
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8. Siraya Tech Rebound 55A – Best Elasticity
Siraya Tech Rebound 55A
55A Shore hardness
Fast rebound action
High elasticity
No special cleaning required
Siraya Tech Rebound 55A 3D resin provides significantly faster rebound than standard elastic resins for quick shape recovery. Initial testing shows good resilience during compression cycles with the potential for maintaining elasticity over repeated use.
Pros
- Fastest rebound action
- Maintains elasticity
- Soft for compression
- Easy printing and cleaning
- Versatile prototyping uses
Cons
- Premium price
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This elastic resin offers a good mix of flexibility and structural integrity softer than Tenacious Flex while maintaining excellent compression properties. It is well-suited for prototyping shock-absorbing components where rebound performance is critical.
Unlike other elastomers that require A/B mixing or complex processing this resin prints on standard LCD and DLP printers. It cleans with standard isopropyl alcohol methods which simplifies the post-processing steps significantly for users.
Opt for this if you need specific elasticity for personal protective equipment or gaskets. Its high elasticity and rebound performance make it a top choice for applications requiring quick shape recovery.
Fast Rebound Action
Provides significantly faster rebound than standard elastic resins making it an excellent choice for quick shape recovery.
Versatile Prototyping Applications
Well-suited for personal protective equipment prototypes shock-absorbing components and industrial prototyping like gaskets and seals.
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9. ANYCUBIC Tough Resin 2.0 Clear – Best for Clear Parts
ANYCUBIC Tough Resin 2.0 Clear
Unmatched flexural strength
High precision accuracy
Low-odor pleasure
Industry-wide compatibility
ANYCUBIC Tough Resin 2.0 has achieved a significant enhancement in flexural strength reducing the likelihood of breakage. It offers exceptional strength and flexibility effectively resisting damage caused by cyclic vibrations for durable components.
Pros
- Significant enhancement in strength
- High precision prints
- Clear color option
- Environmentally friendly design
- Reduces breakage risk
Cons
- Standard packaging
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The resin ensures high precision prints with minimal shrinkage for clear details. Its design focuses on drastically cutting down volatile organic compounds positioning itself as an environmentally friendly option for users in workshops.
It offers versatile industrial applications and is highly compatible with different equipment and materials including 4/8/12/16K LCD/DLP/SLA printers. The minimal odor ensures a pleasant printing environment for long sessions without distraction.
Use this clear version if you need high toughness for transparent models. Its unmatched strength and precision make it ideal for delicate components and thin models requiring reliable performance.
Unmatched Strength
ANYCUBIC Tough Resin 2.0 has achieved a significant enhancement in flexural strength reducing the likelihood of breakage.
High Precision Prints
ANYCUBIC Tough 3D Printer Resin 2.0 ensures high precision prints with minimal shrinkage.
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10. Flexible & Upgraded Tough Resin – Best Rubber-Like Feel
Flexible & Upgraded Tough Resin
Shore 90A hardness
High tear resistance
Flexible and durable
Precision and impact durable
This resin delivers high elongation and excellent tear resistance with a Shore 90A hardness. The printed product can be folded and bent repeatedly without breaking with strong tear resistance not easy to crack.
Pros
- Simulates rubber toughness
- High tear resistance
- Strong bending resistance
- No brittle failures
- High precision details
Cons
- Standard black color
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You do not have to sacrifice detail for flexibility as it delivers crisp accurate prints with a low-odor formula. It handles cushioning and shock absorption well making it ideal for parts that need to stay flexible under stress.
This specialized formula keeps its cool under stress bending where ordinary resins snap. Whether you are printing engineering prototypes or frequently handled parts you get tough reliable performance you can count on daily.
Choose this if you need a resin that feels like real rubber but prints with high precision. It works great on most LCD and DLP printers for shock-absorbing components medical models cosplay props and wearables.
Flexible Like Rubber Tough Enough to Last
Shore 90A can simulate the toughness of rubber with both softness and strength and strong tear resistance.
Built for Makers Engineers and Designers
Works great on most LCD and DLP printers from shock-absorbing components to cosplay props flexible toys and wearables.
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Buying Guide – How to Choose the Best Flexible Resin for 3D Printing
Choosing the right flexible resin involves several factors to ensure your parts meet your specific needs.
Shore Hardness
Shore hardness indicates the material resistance to indentation. Lower values like 55A or 70A are softer and more elastic while higher values like 80A or 90A offer more rigidity.
Select a lower shore hardness for soft flexible parts and a higher one for stiffer flexible components.
Elongation at Break
Elongation at break measures how much a material can stretch before breaking. Flexible resins typically have high elongation to absorb stress without snapping.
Look for resins with high elongation values to ensure your parts can withstand repeated bending and stretching.
Impact Resistance
Impact resistance is crucial for functional parts that may be dropped or subjected to sudden forces. Materials with high impact resistance will not crack easily under stress.
Prioritize resins with proven impact resistance for engineering prototypes or outdoor applications where durability is key.
Odor and Safety
Some resins release volatile organic compounds during printing and curing. Low-odor formulations are safer for indoor use and provide a more comfortable printing environment.
Choose low-odor resins if you work in a well-ventilated space or need safe materials for wearable prototypes.
Print Speed
Different resins cure at different speeds affecting your printing efficiency. Some materials allow for faster layer curing which reduces overall print time significantly.
If you run a printing farm or need quick turnarounds select resins that support fast layer curing on your printer.
Compatibility with Printer
Ensure the resin wavelength matches your printer light source typically 405nm for most resin printers. Incompatible resins may not cure properly leading to failed prints.
Check your printers specifications and the resins wavelength compatibility to avoid curing issues and wasted material.
Post-Processing
Flexible resins may require specific cleaning or curing steps to achieve the desired properties. Some materials need longer curing times to reach full hardness and durability.
Consider the post-processing effort needed for each resin to ensure you have the right setup for washing and curing your prints.
Application Needs
Match the resin properties to your end use. Wearable items need skin-safe low-odor materials while mechanical parts need high tear resistance and elasticity.
Analyze your project requirements to pick a resin that performs well in the specific conditions your parts will face.
How to Use and Care for Your Flexible Resin for 3D Printing
Shake the resin bottle well before use to ensure all components are thoroughly mixed. Stir gently to avoid introducing air bubbles that could affect print quality.
Print on a standard 405nm printer and adjust exposure times as needed. Flexible resins may require slightly longer exposure than standard resins to cure fully.
Wash prints in isopropyl alcohol and cure under UV light for best results. Follow manufacturer curing guidelines to ensure optimal hardness and flexibility.
Frequently Asked Questions
Is flexible resin for 3D printing safe to print?
Most flexible resins are safe to print in well-ventilated areas. Always wear gloves and a mask to avoid skin contact and inhalation of fumes during printing and washing.
How do I clean flexible 3D prints?
Use isopropyl alcohol to wash flexible prints thoroughly. Ensure all uncured resin is removed before curing to maintain flexibility and durability.
What printer is best for flexible resin?
Most 405nm LCD DLP and SLA printers work with flexible resins. Check manufacturer compatibility before purchasing to avoid curing issues.
Can flexible resin be painted?
Flexible resins can be painted after curing. Use flexible paints that can move with the part to prevent peeling under stress.
Why is my flexible print brittle?
Brittleness may be due to over-curing or incorrect exposure. Adjust exposure settings and curing time to maintain the desired flexibility.
Does flexible resin shrink during printing?
Flexible resin generally shrinks less than standard resins but some shrinkage is normal. Look for low shrinkage formulations for higher accuracy.
Final Thoughts on Choosing the Best Flexible Resin for 3D Printing
We have highlighted ten top flexible resins suitable for various needs from budget options to premium choices. Each product offers unique strengths to balance flexibility strength and printability.
Consider your project requirements like wearability impact resistance or print speed when selecting a resin. The right material will make a significant difference in the durability and function of your prints.
Prices and availability may change quickly so always check current stock before buying. We hope this guide helps you find the perfect flexible resin for your 3D printing adventures.