Siraya Tech Tenacious Flex
4.7Editor score
Soft rubber-like feel
High rebound elasticity
Excellent impact resistance
In this guide
Flexible resin for 3D printing allows makers to create parts that bend and absorb shock like rubber. These materials are essential for functional prototypes and durable end-use components that require elasticity.
We analyzed ten leading products based on flexibility, hardness, durability, and print compatibility. Our comparison covers standard LCD and SLA printers to ensure you find the right match for your machine.
Each pick highlights key strengths and ideal use cases for your specific needs. Please note that product availability and pricing can change frequently so check current details before ordering.
Top 3 Picks for Best Flexible Resin for 3D Printing
ANYCUBIC Ultra Tough Resin
4.7Editor score
Exceptional impact resistance
High flexibility and resilience
Great for articulated models
Siraya Tech Rebound 55A
4.2Editor score
Fast rebound action
55A Shore hardness
Ideal for shock absorption
Top 10 Best Flexible Resin for 3D Printing in 2026 Compared
This side-by-side comparison highlights the key specifications and unique benefits of each flexible resin to help you choose the right material for your specific printing needs.
ProductsSpecificationsEditor scorePrice
Best Budget
Superflex 3D Printer Resin
Shore 80A Hardness
Fast 1.7s printing
ISO 10993-5 tested
4.4Editor score
Editor's Choice
ANYCUBIC Ultra Tough Resin
High Impact Resistance
Non-irritating skin feel
Suitable as additive
4.7Editor score
Best Premium
SUNLU Flexible 3D Printer Resin
70A Shore Hardness
135% Elongation
Minimal odor smell
3.5Editor score
Siraya Tech Tenacious Flex
Soft Rubber-Like Feel
High Rebound Action
Good for gaskets
4.7Editor score
ANYCUBIC Tough Resin 2.0
High Toughness Formula
Low odor printing
Minimal shrinkage
4.6Editor score
SUNLU High Toughness Resin
5x Elongation
Low viscosity flow
Widely compatible
4.7Editor score
ELEGOO Tough 3D Printer Resin
Shore 84.7D Hardness
Strong impact resistance
Weather resistant
4.5Editor score
Siraya Tech Rebound 55A
55A Shore Hardness
Fast Rebound Action
No special cleaning
4.2Editor score
ANYCUBIC Tough Resin 2.0
High Hardness
Exceptional Stretch
Clear color option
4.6Editor score
FUNCECOL Flexible & Upgraded Tough Resin
Shore 90A Hardness
High Tear Resistance
Precision printing
4.4Editor score
1. ANYCUBIC Ultra Tough Resin – Best Overall Flexible Resin for 3D Printing
ANYCUBIC Ultra Tough Resin
High Impact Resistance
Non-irritating Skin Feel
Suitable as Additive
Great Durability
The ANYCUBIC Ultra Tough Resin stands out as the top choice for flexible 3D printing with its exceptional impact resistance and flexibility. Rated 4.7 by users it delivers a non-irritating finish perfect for wearables and functional prototypes.
Pros
- Outstanding toughness and resilience
- Recovers original shape swiftly
- Non-irritating skin sensation
- Enhances other resin toughness
- Excellent humidity resistance
Cons
- Mixed color may change final shade
- Premium price point
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This resin excels in recovering its shape after deformation making it ideal for articulated models like elf ears or earphone covers. Its versatility shines when used as an additive to boost the durability of standard resins.
While blending colors can alter the final shade the material retains its high elasticity even in extreme temperatures or damp environments. The gentle skin sensation ensures comfort during extended use without irritation.
Choose this product if you need a reliable balance of strength and flexibility for daily wearables or industrial prototypes. It consistently withstands drops and stress without brittleness or deformation over time.
Superior Impact Resistance and Durability
This material exhibits remarkable resistance to brittleness and corrosion ensuring long-lasting performance even in harsh or humid environments.
Comfortable Skin Contact and Wearability
Upon curing the resin ensures a non-irritating experience on the skin offering enhanced flexibility for a superior touch and feel.
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2. Siraya Tech Tenacious Flex – Best Value Flexible Resin for 3D Printing
Siraya Tech Tenacious Flex
Soft Rubber-Like Feel
High Rebound Action
Excellent Impact Resistance
Flexible for Gaskets
Siraya Tech Tenacious Flex offers a soft rubber-like texture at an affordable price point making it a top budget choice for flexible 3D prints. Users rate it 4.7 for its incredible elasticity and fast rebound properties.
Pros
- Significantly softer than classic tenacious
- Faster rebound elasticity
- Withstands extreme bending
- Ideal for shock absorbing parts
- Excellent additive for tough resins
Cons
- May not suit all applications
- Small 500g size
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This resin is designed to withstand extreme bending and compression returning quickly to its original shape without cracking. It is perfect for creating soft grips gaskets or pliable prototypes that need resilience.
Although it is a small 500g bottle it works wonderfully as an additive to boost impact resistance in other resins. The specialized formulation may not fit every use case but excels in high flexibility needs.
Buy this if you need a cost-effective flexible material for shock-absorbing components or resilient prototypes. Its unique elasticity allows for dynamic prints that stand up to repeated stress and handling.
Enhanced Flexibility and Rebound
It withstands extreme bending and compression quickly returning to its original shape with superior elasticity compared to original tenacious.
Excellent Resin Additive Properties
Mix Tenacious Flex Black with other resins to boost impact resistance and flexibility enhancing the properties of your prints.
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3. Siraya Tech Rebound 55A – Best Premium Flexible Resin for 3D Printing
Siraya Tech Rebound 55A
55A Shore Hardness
Fast Rebound Action
No Special Cleaning
Shock Absorbing
Siraya Tech Rebound 55A is a premium flexible resin engineered for fast rebound and impact absorption in demanding prototyping applications. With a 4.2 rating it offers a balanced mix of flexibility and structural integrity.
Pros
- Significantly faster rebound
- Good resilience in compression
- Balanced flexibility and strength
- No A/B mixing required
- Standard cleaning methods
Cons
- Long-term testing ongoing
- Premium price point
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This resin provides faster recovery than standard elastic resins making it excellent for shock-absorbing components or protective gear prototypes. It works on standard LCD and DLP printers without needing complex mixing or cleaning.
While initial tests show promising durability over repeated compression cycles long-term performance is still being monitored. The 55A Shore hardness ensures it is softer than Tenacious Flex while maintaining strong compression properties.
Invest in this product if you need high elasticity for industrial prototyping or consumer products like seals and gaskets. Its ease of use and rebound performance make it a top choice for advanced flexible models.
Fast Rebound Action for Impact Absorption
It provides significantly faster rebound than standard elastic resins making it excellent for applications requiring quick shape recovery.
Easy Printing Without Special Cleaning
Unlike other elastomers it prints on standard LCD DLP printers and cleans with standard isopropyl alcohol methods.
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4. Superflex 3D Printer Resin – Fast Flexible Resin for 3D Printing
Superflex 3D Printer Resin
Shore 80A Hardness
Fast 1.7s Printing
ISO 10993-5 Tested
Enhances Productivity
Superflex 3D Printer Resin is engineered for speed with a 80A Shore hardness that simulates rubber for hard flexible prototypes. Rated 4.4 it offers balanced softness and strength for cushioning and shock absorption needs.
Pros
- Prints 50um layer in 1.7s
- Increases farm productivity by 40%
- Balanced softness and strength
- Passes ISO biocompatibility tests
- 100% elongation at break
Cons
- Small 500g size
- Clear only available
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This resin prints incredibly fast enabling a 50um layer in just 1.7 seconds which enhances productivity for 3D printing farms. It is fully post-cured and properly cleaned to pass ISO 10993-5 biocompatibility standards.
While the 500g size may require multiple bottles for large projects its high elongation at break ensures durability. The clear version allows for aesthetic versatility but might not suit opaque needs without mixing.
Choose this if you prioritize fast print times and certified biocompatibility for medical or tactile prototypes. Its balanced properties make it ideal for hard flexible parts that need durability and softness.
Fast Printing for Enhanced Productivity
Printing 50um layer in 1.7s saves time and electricity bill enhancing farm productivity by at least 40%.
Biocompatible and Certified Safe
Properly cleaned and fully post cured SuperFlex prints pass ISO 10993-5 test ensuring safety for contact applications.
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5. SUNLU Flexible 3D Printer Resin – Balanced Flexible Resin for 3D Printing
SUNLU Flexible 3D Printer Resin
70A Shore Hardness
135% Elongation
Minimal Odor
Low Shrinkage
SUNLU Flexible 3D Printer Resin offers a perfect balance of softness and strength for printing soft and flexible items. Rated 3.5 it features 70A hardness and 135% elongation for durable bendable models.
Pros
- Balanced softness and strength
- 135% elongation at break
- Excellent impact resistance
- Minimal aromatic odor
- Leak-proof bottle design
Cons
- Lower rating than competitors
- Gray color only
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This resin provides a smooth high-resolution finish and low shrinkage ensuring accurate sizes after curing. It is made of safe materials with minimal odor making it comfortable for workshop use.
The leak-proof bottle design reduces damage during transport and ensures longevity for your material. While its rating is lower than premium options it remains a reliable choice for general flexible printing.
Select this product for cost-effective flexible prototypes that need strength and smooth finishes. Its compatibility with most printers and low shrinkage make it a solid choice for everyday 3D projects.
Balanced Softness and Strength
SUNLU Flexible 3D Printer Resin offers a perfect balance of softness and strength simulating rubber or durable flexible prototypes.
Low Shrinkage for Accurate Prints
During curing the resin has a low shrinkage rate providing accurate size and shape of printed parts.
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6. ANYCUBIC Tough Resin 2.0 – High Precision Flexible Resin for 3D Printing
ANYCUBIC Tough Resin 2.0
High Toughness Formula
Low odor Printing
Minimal Shrinkage
Widely Compatible
ANYCUBIC Tough Resin 2.0 delivers high precision and toughness for flexible 3D printing with excellent resistance to breakage. Rated 4.6 it resists peeling and cracking even under cyclic vibrations or drops.
Pros
- Upgraded high toughness strength
- High flexibility and elongation
- Low-odor friendly formulation
- Excellent precision with low shrinkage
- Industry applications
Cons
- Grey color limited
- May lack ultra-soft feel
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Its low-odor formulation creates a comfortable environment while maintaining high precision and smooth surfaces for detailed parts. This resin is ideal for industrial spare parts and high-strength model production.
The high elongation ensures models resist deformation from stress marks making them less prone to breakage. It is optimized for standard wavelengths and compatible with most LCD and DLP printers.
Buy this for industrial parts or models needing robust flexibility and precision without a high price tag. Its upgraded strength ensures durability for thin models and components subject to stress.
Exceptional Toughness and Flexibility
It demonstrates enhanced toughness and high elongation resisting peeling cracking and stress marks from vibrations.
Low-Odor and Friendly Formulation
Featuring a low odor non-irritating composition it creates a calm printing environment with reduced volatile compounds.
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7. SUNLU High Toughness Resin – Flexible Resin for Structural Parts
SUNLU High Toughness Resin
High Toughness for Performance
Better Accuracy and Results
Low Shrinkage
Widely Compatible
SUNLU High Toughness Resin provides enhanced flexibility and durability for structural parts with elongation five times higher than standard resins. Rated 4.7 it ensures unbreakable and durable models.
Pros
- Elongation 5x higher than standard
- Low viscosity for shorter curing
- Improved success rate
- Low odor environment
- Leak-proof packaging
Cons
- Grey color limited
- Standard 405nm UV
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The low viscosity and high flowability lead to easier model formation and reduced shrinkage for accurate details. It is designed to prevent cracking after washing and curing increasing print success rates.
This material offers a more comfortable printing environment with reduced odor compared to market alternatives. The leak-proof design protects the resin during transport ensuring you receive high-quality material.
Use this resin for structural parts and solid models requiring toughness without brittleness. Its stability and compatibility with most printers make it a reliable choice for demanding 3D projects.
High Toughness for Better Performance
It has long-lasting toughness and elongation 5 times higher than regular standard resin making models unbreakable.
Better Accuracy and Printing Results
Low viscosity and high flowability result in shorter curing time and reduced potential for distortion.
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8. ELEGOO Tough 3D Printer Resin – Durable Flexible Resin for 3D Printing
ELEGOO Tough 3D Printer Resin
Shore 84.7D Hardness
Strong Impact Resistance
Weather Resistant
Low Odor
ELEGOO Tough 3D Printer Resin is a durable material designed for structural parts and high-performance models with strong damage resistance. Rated 4.5 it withstands impacts and recovers quickly from deformation.
Pros
- Excellent flexibility and resilience
- High-strength physical properties
- Drillable without cracks
- Fine texture and weather resistant
- Suitable for end-use products
Cons
- Harder than standard flexible resins
- Black color only
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Its cured resin has a Shore hardness of 84.7D allowing drilling without cracks while maintaining high elasticity. This makes it ideal for tools jigs and fixtures that need toughness in varying environments.
The material resists brittleness and corrosion even in high humidity or extreme temperatures ensuring reliable performance. Its low odor provides a comfortable environment for extended printing sessions.
Select this resin for end-use products or functional prototypes that require high physical strength and flexibility. It is a robust choice for makers needing reliable parts that resist wear and tear.
High Toughness and Durable Impact Resistance
It is easy to bend but not break and withstands impacts making it suitable for structural parts and tools.
Weather Resistance and Fine Texture
It has high elasticity and flexibility ensuring excellent performance under extreme temperature conditions and high humidity.
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9. ANYCUBIC Tough Resin 2.0 – Clear Flexible Resin for 3D Printing
ANYCUBIC Tough Resin 2.0
High Hardness
Exceptional Stretch
Low-Odor
Industry-Wide Compatibility
ANYCUBIC Tough Resin 2.0 Clear offers unmatched strength and precision for flexible 3D printing with a transparent finish. Rated 4.6 it resists breakage during drops and provides exceptional stretch for durable parts.
Pros
- Enhanced flexural strength
- Exceptional stretch and flexibility
- Pleasant low-odor printing
- Minimal shrinkage for precision
- Clear color option
Cons
- Clear may show defects
- Requires careful handling
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This version emphasizes high precision and minimal shrinkage ensuring clear details for industrial and artistic applications. The low-odor composition reduces volatile compounds for a more comfortable workshop environment.
The clear color allows for aesthetic versatility but requires careful printing to avoid visible imperfections. It remains highly compatible with standard 3D printers ensuring accessibility for most users.
Choose this clear flexible resin for projects requiring strength transparency and precision. It is a versatile choice for makers needing durable and flexible parts that do not compromise on visual quality.
Unmatched Strength and Exceptional Stretch
It offers superior toughness and exceptional strength and flexibility reducing likelihood of breakage for thin models.
Exceptional Accuracy and Low Shrinkage
It ensures high precision prints with minimal shrinkage allowing for crisp clear details.
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10. FUNCECOL Flexible & Upgraded Tough Resin – Impact-Durable Flexible Resin
FUNCECOL Flexible & Upgraded Tough Resin
Shore 90A Hardness
High Tear Resistance
High Precision
Impact-Durable
FUNCECOL Flexible & Upgraded Tough Resin delivers a soft rubber-like feel with high tear resistance for impact-durable prints. Rated 4.4 it combines softness and strength to withstand repeated bending without breaking.
Pros
- Flexible like rubber
- High tear resistance
- No brittle failures
- High precision printing
- Works on most printers
Cons
- May lack ultra-soft feel
- Requires good ventilation
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This resin excels in high precision printing allowing detailed technical models and prototypes without sacrificing flexibility. It is built for makers needing tough reliable parts for repeated stress scenarios.
Its formula resists brittle failures ensuring components stay resilient under pressure like shoe soles or ergonomic grips. The low-odor formula is comfortable but requires ventilation for safety during printing.
Choose this resin for parts that need to stay flexible under stress while remaining tough enough not to rip. It is ideal for cosplay props toys or engineering prototypes needing durability and precision.
Flexible Like Rubber Tough Enough to Last
90A Shore hardness can simulate the toughness of rubber with both softness and strength for cushioning.
Tough and Flexible Formula for Real-World Use
It delivers high elongation and excellent tear resistance making it the go-to choice for gaskets and protective cases.
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Buying Guide – How to Choose the Best Flexible Resin for 3D Printing
Selecting the right flexible resin requires balancing hardness strength and print compatibility to match your specific project needs.
Shore Hardness and Flexibility
Shore hardness measures the stiffness of a material ranging from soft rubber (30A-60A) to semi-rigid (80A-90A). Lower values offer softer feel while higher values provide durability for functional parts.
Choose a hardness that matches your application needs for comfort or impact resistance.
Elongation at Break
Elongation indicates how much a material can stretch before breaking. Higher elongation values mean the part can bend significantly without snapping.
Look for resins with elongation above 100% for parts that require significant bending or stretching.
Impact Resistance and Durability
Impact resistance ensures that your printed parts can withstand drops or shocks without cracking. This is critical for protective cases or tool handles.
Select resins with high impact ratings to ensure long-lasting durability for end-use parts.
Printer Compatibility and Wavelength
Flexible resins must be compatible with your printer's UV wavelength typically 405nm for LCD DLP or SLA machines. Always verify compatibility to ensure successful curing.
Check manufacturer guidelines to confirm the resin works with your specific printer model.
Print Speed and Curing Time
Flexible resins often require slower print speeds or longer curing times to ensure layers bond properly. Fast curing options help reduce overall printing time.
Opt for resins designed for fast curing to improve productivity without compromising quality.
Post-Processing Requirements
Some flexible resins need longer washing and curing times to achieve full properties. Others may require special handling to avoid sticking or deformation.
Choose resins with straightforward post-processing if you want a hassle-free workflow.
Color and Transparency
Flexible resins come in various colors including clear or black. Transparent options allow light transmission but may show defects more easily.
Select a color that fits your project aesthetic and visibility requirements.
Safety and Odor
Flexible resins often have unique chemical compositions. Low-odor formulations improve workplace comfort while biocompatible certifications ensure safety for skin contact.
Prioritize low-odor and certified materials for safe and comfortable printing sessions.
How to Use and Care for Your Flexible Resin for 3D Printing
Before printing shake the resin bottle gently to ensure consistent mixing. Store the resin in a cool dry place away from direct sunlight to prevent premature curing or degradation.
Clean your prints with isopropyl alcohol or manufacturer-approved solvents for at least 15 to 30 minutes. Flexible resins may require longer cleaning times to ensure complete removal of uncured liquid.
Cure your models under UV light for the recommended time to achieve full mechanical properties. Avoid over-exposure to prevent brittleness and handle parts gently during handling to preserve flexibility.
Frequently Asked Questions
What makes flexible resin different from standard resin?
Flexible resin is formulated with softeners and elastomers that allow it to bend and absorb impact without cracking. Standard resins are rigid and brittle whereas flexible options mimic rubber for parts that need elasticity.
Can I use flexible resin on any 3D printer?
Most flexible resins work with standard 405nm UV LCD DLP or SLA printers. Always check the product specifications to confirm compatibility with your specific printer model and software settings.
How do I stop flexible resin from sticking to the build plate?
Use a flexible build plate or release film to prevent strong adhesion. Adjusting layer height and printing speed can also help reduce sticking during the printing process.
What is the best way to clean flexible prints?
Use isopropyl alcohol for 15 to 30 minutes to clean uncured resin. Be gentle with flexible parts as they may be soft and prone to deformation during handling.
Do flexible resins cure faster than standard resins?
Flexible resins often require longer curing times due to their chemical composition. However some products offer fast-curing formulas to reduce wait times for faster workflows.
Are flexible resins safe for skin contact?
Some flexible resins are certified to ISO standards for biocompatibility making them safe for skin contact. Always check the product documentation and ensure thorough cleaning and curing before use.
How can I improve the strength of flexible prints?
Additives like tough resins or higher infill settings can boost strength. Printing at optimal layer heights and curing thoroughly also ensures better structural integrity.
Why do my flexible prints look sticky?
Sticky surfaces usually indicate incomplete curing or insufficient cleaning. Extend the wash and cure times to remove uncured resin and achieve a dry smooth finish.
Final Thoughts on Choosing the Best Flexible Resin for 3D Printing
Choosing the best flexible resin for 3D printing depends on your project needs whether it is softness strength or speed. The top picks offer a range of hardness levels and properties for various applications.
Prioritize impact resistance and elongation if your parts will face stress or wear. Consider printer compatibility and post-processing requirements to ensure a smooth workflow.
Remember that pricing and availability change frequently so check current listings before purchasing. With the right resin you can produce durable and functional parts that outperform standard materials.