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QTS Flex 8A Silicone-Like Soft Resin | Shore 8A | 700% Elongation | Wearables & Medical Models | Made in Taiwan

QTS Flex 8A Silicone-Like Soft Resin | Shore 8A | 700% Elongation | Wearables & Medical Models | Made in Taiwan

QTS Flex 8A — Made in Taiwan, Shore 8A hardness, 700% elongation at break. Viscosity only 70~100 cps for high print success rate. Bend, stretch, compress without tearing. Perfect for wearables, medical models, cushioning parts & film props. Compatible with all 405nm printers.

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QTS Flex 8A Silicone-Like Soft Resin | Shore 8A | 700% Elongation | Wearables & Medical Models | Made in Taiwan

🏆 QTS Corporation — Taiwan's Leading 3D Printing Materials Brand

30+
Years of Chemical R&D Background
15+
Years in 3D Printing Industry
8000+
Trusted Taiwan Customers
100%
Taiwan Local R&D & Manufacturing

QTS Corporation brings over 30 years of chemical R&D expertise to the 3D printing materials industry. Our Flex 8A flexible resin series combines deep chemical knowledge with 3D printing experience, delivering the ultimate soft printing solution for creators worldwide.

QTS Flex 8A Silicone-Like Soft Resin

The World's Softest 3D Printing Resin — Shore 8A Hardness, 700% Elongation, True Silicone-Like Feel

🧲 Shore 8A Ultra-Soft 📏 700% Elongation 💪 Tear Resistant 🌊 Low Viscosity 🇹🇼 Made in Taiwan ✅ 405nm Compatible
8A
Shore Hardness
True Silicone-Like Feel
700%
Max Elongation
Tough & Tear Resistant
70~100
cps Low Viscosity
High Print Success Rate

✨ Six Core Advantages

🧲

World's Softest, True Silicone Feel

Shore 8A hardness delivers unmatched softness and elasticity, with a feel extremely close to real silicone products. Absorbs impact, provides cushioning, and offers gentle skin-friendly touch.

📏

700% Elongation, Tear Resistant

Bend, stretch, compress, and twist freely — it springs back without breaking or tearing. Exceptional toughness makes it ideal for parts that need to withstand repeated deformation.

🌊

Low Viscosity, High Success Rate

70~100 cps ultra-low viscosity ensures high print success rates. Excellent flowability makes post-processing cleaning easier, reducing waste and failures.

🎨

Unlimited Design Freedom

Traditional silicone molding is expensive and design-limited. Flex 8A lets you directly print complex internal structures and irregular soft parts, realizing any creative vision.

🔬

Wide Applications, Multi-Industry

From wearables and medical models to film props, Flex 8A's extreme softness makes it the ultimate material for soft prototype manufacturing across industries.

🇹🇼

Made in Taiwan, Quality Guaranteed

100% Taiwan R&D and manufacturing — from formulation design to production, all completed in Taiwan. Every batch meets strict quality standards with consistent performance.

🎯 Six Key Application Scenarios

⌚

Wearable Device Prototypes

Smart watch bands, earphone tips, VR/AR skin-contact padding. Shore 8A softness ensures comfortable long-term wear, perfectly replacing traditional silicone molding.

🏥

Medical & Prosthetic Models

Soft organ models for surgical simulation, custom insoles, rehabilitation aids. Bio-similar feel and high elasticity make it ideal for medical model manufacturing.

🤖

Cushioning & Sealing Parts

Soft robotic grippers, custom anti-vibration pads, waterproof seals. 700% elongation ensures parts withstand repeated compression and stretching.

🎬

Film & Special Effects Props

Prosthetics for special makeup, film props with special properties. Silicone-like feel and appearance lets SFX artists quickly create high-quality soft props.

🎮

Gaming & Toy Accessories

Controller grips, game pad protective covers, toy soft parts. Impact-resistant, tear-resistant properties make toys safer and more durable.

🔧

Industrial Soft Prototyping

Soft part validation in product development, ergonomic design testing. Fast printing replaces traditional silicone molding, significantly reducing development cycles and costs.

📊 Complete Technical Specifications

🧪 Photopolymer Resin Basic Properties (Liquid Material Physical Properties)

Test Item Value Description
Appearance Flowing Liquid —
Viscosity 70 ~ 100 cps @ 25°C Brookfield Viscometer
Color Yellow —
Volume 500g —

⚙️ Mechanical Properties After Curing

Specification Value Test Method
Technology LCD / DLP / SLA 3D Printing —
Wavelength 395 ~ 405nm —
Shore Hardness 8 A ASTM D2240
Elongation at Break 500 ~ 700 % ASTM D638
Tensile Strength 1 ~ 1.5 MPa ASTM D638

⚙️ Recommended Print Exposure Parameters

⚠️ Important Notes for Soft Resin

Flex 8A is an ultra-soft resin. Longer exposure times are recommended to ensure inter-layer adhesion. Post-curing is mandatory — complete UV post-curing is required to achieve optimal elasticity and dry surface properties. Insufficient post-curing will result in a tacky surface.

Printer Model Screen Type Bottom Layer Exposure Normal Layer Exposure Layer Height
Phrozen Make Color-LCD 30 ~ 40 sec 8 ~ 10 sec @50µm
Phrozen Sonic mini Mono-LCD 20 ~ 30 sec 4 ~ 5 sec @50µm
Miicraft 125 DLP 8 ~ 10 sec 0.9 ~ 1.1 sec @50µm
💡 Parameter Adjustment Tips: The above values are references. Adjust based on your printer model, ambient temperature, and model complexity. For soft resins, increase bottom layer exposure time to ensure firm adhesion to the build plate. Start with middle values and observe if the final elasticity meets expectations.

📋 How to Use (5 Simple Steps)

1

Shake Well

Gently shake the bottle before use to ensure the resin is thoroughly mixed

2

Print

Set exposure parameters as recommended and start 3D printing

3

Wash

Wash with 95% IPA alcohol or dedicated cleaner for 2~3 minutes

4

UV Post-Cure (Required)

Expose under 365~405nm UV light for 10~60 min (adjust by thickness) for dry surface

5

Ready to Use

Post-curing complete — optimal elasticity and dry surface achieved

📈 Flex 8A vs Traditional Silicone Molding vs Standard Flexible Resin

Comparison QTS Flex 8A Traditional Silicone Molding Standard Flexible Resin
Shore Hardness 8 A (Ultra-Soft) 10~60 A 30~80 A
Elongation 500~700% 100~400% 50~200%
Design Freedom ✅ Unlimited ❌ Mold-Limited ⚠️ Moderate
Tooling Cost ✅ No Tooling ❌ High Cost ✅ No Tooling
Small Batch ✅ Ideal ❌ Not Cost-Effective ✅ Suitable
Complex Structures ✅ Full Support ❌ Limited ⚠️ Limited
Made in Taiwan ✅ Yes ⚠️ Varies ❌ Mostly Imported

🖨️ Printer Compatibility (All 405nm Light Source Printers)

Brand Compatible Models (Examples) Screen Type
✅ Phrozen Sonic Mini 8K, Sonic Mega 8K, Transform Mono-LCD / Color-LCD
✅ Anycubic Photon Mono X 6K, Photon M3 Plus, Photon Ultra Mono-LCD / DLP
✅ Elegoo Saturn 3 Ultra, Mars 4 Ultra, Saturn 4 Ultra Mono-LCD
✅ Creality Halot-Mage Pro, Halot-One Plus Mono-LCD
✅ FlashForge Foto 8.9S, Foto 13.3 Mono-LCD
✅ Miicraft Miicraft 125 DLP, Miicraft Ultra DLP
✅ eSUN eResin-Pro, eSLA Series Mono-LCD
✅ Other Brands All LCD/DLP/SLA printers with 405nm light source All Compatible

❓ Frequently Asked Questions

Q: How is Flex 8A different from regular flexible resin?

A: The key difference is the hardness level. Regular flexible resins are around Shore 30~80A, while Flex 8A is only Shore 8A — one of the softest photopolymer resins on the market. This extreme softness gives prints a feel truly close to silicone, not just "slightly flexible."

Q: Can Flex 8A replace silicone molding?

A: For small batches, complex structures, or rapid prototyping, Flex 8A is an excellent alternative to silicone molding. It eliminates expensive tooling costs and lets you directly print any shape of soft part. For large-scale production, traditional silicone molding still has its advantages.

Q: The surface is still tacky after post-curing. What should I do?

A: Tacky surface is usually caused by insufficient post-curing. Ensure you use a 365~405nm UV light box and extend post-curing time based on model thickness (up to 60 minutes). After sufficient post-curing, the surface should be dry and non-tacky.

Q: Is Flex 8A suitable for making earphone tips or ear plugs?

A: Very suitable! Shore 8A softness allows earphone tips to perfectly conform to ear canal shape for comfortable wear. However, for products in direct skin contact, ensure post-curing is complete and conduct skin sensitivity testing.

Q: Can Flex 8A be used for food contact or medical applications?

A: Flex 8A does not currently hold food contact or medical device certifications and is not recommended for direct food contact or implantable medical use. Use for medical models or educational models is acceptable with complete post-curing.

Q: What is the print success rate of Flex 8A?

A: Thanks to its 70~100 cps ultra-low viscosity, Flex 8A has excellent flowability and higher print success rates than typical flexible resins. However, soft resins require extra care during release — use more support points and increase bottom layer exposure time.

Q: Can Flex 8A be mixed with other resins?

A: Yes, it can be mixed with other QTS resins to adjust hardness. For example, mixing with QTS standard resin increases hardness for "semi-soft" parts. Conduct small-scale tests first to confirm mixing ratios and results.

Q: What is the shelf life of Flex 8A?

A: Store in a cool, dry place at 15~35°C away from direct sunlight. Sealed storage can extend usable life. Generally recommended to use within 12 months of opening.

🏆 Why Choose QTS?

🇹🇼 100% Taiwan R&D & Manufacturing

From formulation design to raw material selection and production, all completed in Taiwan. Every batch meets strict quality standards, eliminating color variation and performance inconsistency.

🤝 15+ Years of Industry Trust

Over 15 years in Taiwan's 3D printing industry, serving 8000+ customers from individual creators to large enterprises — we understand your needs.

🔬 Wide Compatibility & Versatility

Our resins are extensively tested across multiple brands and models, perfectly compatible with all 405nm LCD/DLP/SLA 3D printers on the market.

🧪 Expert Technical Support

Our team is your knowledge base. From parameter settings and slicing tips to post-processing advice, we share hands-on experience to help you overcome challenges.

🍃 User Experience Focused

We understand odor and safety are pain points for resin users. We're committed to developing low-odor, low-irritation formulas for a more comfortable creative process.

🧾 Transparent Shopping

All prices include tax, with official invoices included with every shipment — clear and protected for both personal and corporate purchases.

🛒 Experience the World's Softest 3D Printing Resin!

QTS Flex 8A Silicone-Like Soft Resin — Shore 8A Hardness, 700% Elongation, Made in Taiwan Quality

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