QTS ENGR Strong High Hardness Resin (405nm) - Made in Taiwan | White/Grey | Tough, Impact-Resistant, High Precision

ay goodbye to brittle prints! QTS ENGR Strong Resin, made in Taiwan, offers ABS-like hardness and toughness. Prints are impact-resistant and dimensionally accurate, making it the best choice for functional prototypes, snap-fit parts, and durable models.

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🏭 QTS Technology — Taiwan's Trusted 3D Printing Material Expert

With 30+ years of chemical engineering background and 15+ years in the 3D printing industry, we are not just a material supplier — we are your most reliable technical partner.

30+Years Chemical Background

15+Years 3D Printing Experience

8000+Taiwan Customers

🇹🇼Made in Taiwan

💪 QTS ENGR Strong — Say Goodbye to Brittle, Embrace Toughness!

Name: QTS ENGR Strong High Hardness Resin (405nm) - Made in Taiwan | White/Grey | Tough, Impact-Resistant, High Precision
SKU: 5df99ca8bba15900189bf1b1
Price: 1250.0 TWD
Availability: InStock

Developed and manufactured in Taiwan, with Shore 85D hardness rivaling ABS injection molding. Tough, impact-resistant, non-brittle. Whether it's functional prototypes, snap-fit parts, or durable models — ENGR Strong delivers unimaginable durability.

💪 Shore 85D Hardness 🔩 Tensile Strength 57.21 MPa 🛡️ Impact Strength 36 J/m 🔄 Elongation at Break 23% 🇹🇼 Made in Taiwan 📡 405nm Compatible

🏆 ENGR Strong Core Performance Data                85D                Shore Hardness
Rivals ABS Injection Molding            
                57.21                MPa Tensile Strength
ASTM D638            
                36                J/m Notched Impact Strength
ASTM D256            
                23%                Elongation at Break
Tough, Non-Brittle            

🏆 Six Core Advantages

💪

ABS-Rivaling Toughness

Shore 85D hardness combined with 36 J/m impact strength and 23% elongation at break. Parts are not only hard but also tough — impact-resistant and non-brittle. A balance that standard photopolymer resins struggle to achieve.

📐

High Precision, Low Shrinkage

Engineering applications demand precision. ENGR Strong's low shrinkage ensures dimensional stability and minimal warping — enabling perfect fit for multi-part assemblies and snap-fit designs, right the first time.

🏭

Injection Molding-Grade Performance

After thorough post-curing, mechanical performance is excellent, surface is dry and wear-resistant, rivaling industrial injection-molded plastic parts in quality and strength — the ideal material for high-quality prototypes.

⚡

Efficient & Stable Printing

Low viscosity and excellent flow clearly reproduce design details while simplifying the cleaning process. Optimized formulation ensures high success rates across various printer models — saving time and material.

🔧

Versatile Engineering Material

Not just for one purpose — from functional prototypes and snap-fit parts to outdoor accessories and durable models, ENGR Strong's versatility makes it the go-to engineering resin for engineers, designers, and creators.

🇹🇼

100% Developed & Made in Taiwan

From formulation design and raw material selection to manufacturing, everything is completed in Taiwan. Strict quality control ensures consistency and stability in every batch, eliminating color variation and performance inconsistency.

🎯 Core Application Scenarios

🔩

Functional Prototypes & Design Validation

Power tool housings, mechanical component functional validation. Tough mechanical performance allows prototypes to withstand real-world testing, quickly validating design feasibility.

🏠

Everyday Functional Parts

Home accessories, snap-fits, clamps, and custom durable components. High precision ensures snap-fit accuracy; high hardness ensures long-term use without deformation.

🚴

Outdoor & Sports Accessories

Bicycle accessories, action camera mounts, drone parts. Impact-resistant and non-brittle — withstanding the various challenges of outdoor environments.

🎮

Durable Figures & Toy Models

Create models and toys that can withstand handling without breaking. The 23% elongation at break makes models more durable — no more accidental breakage.

🏗️

Industrial Fixtures & Jigs

Positioning fixtures, test jigs, and auxiliary tools for production lines. Injection molding-grade performance significantly reduces industrial part manufacturing costs.

🔬

Education & R&D Applications

Functional parts for school engineering courses and R&D labs. High success rates and stable performance make teaching and research more efficient.

📊 Complete Technical Specifications (Post-Cure Values)

🧪 Photopolymer Resin Basic Properties (Liquid Material Physical Properties)

Test Item	Value	Description
Appearance	Flowing Liquid	—
Density	1.12 ~ 1.16 g/cm³	Liquid Density
Viscosity	150 ~ 250 cps @ 25°C	Brookfield Viscometer

⚙️ Mechanical Properties After Curing

Specification	Value	Test Method
Technology	LCD / DLP / SLA 3D Printing	—
Wavelength	395 ~ 405nm	—
Shore Hardness	85 D	ASTM D2240
Tensile Strength	57.21 MPa	ASTM D638
Elongation at Break	23%	ASTM D638
Notched Izod Impact Strength	36 J/m	ASTM D256
Heat Deflection Temperature (HDT @0.45MPa)	65°C	ASTM D648
Color	White / Grey	—
Volume	1 kg	—

⚙️ Recommended Print Exposure Parameters

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 Tips: The above are reference values. Adjust based on your specific printer, ambient temperature, and model complexity. Start with middle values for first use. Engineering resins benefit from adequate post-curing time to achieve optimal mechanical performance.

⚠️ Special Note for White Resin

White ENGR Strong parts may darken after UV post-curing — this is completely normal. Leave at room temperature for 2-3 days, or heat at 70°C for 1 hour to restore the bright white color. This indicates complete post-curing and optimal mechanical performance.

📈 ENGR Strong vs Standard Photopolymer Resins

Comparison	QTS ENGR Strong	Standard Resin	General Engineering Resin
Shore Hardness	85 D	70~78 D	78~83 D
Tensile Strength	57.21 MPa	20~35 MPa	35~50 MPa
Impact Strength	36 J/m	5~15 J/m	15~25 J/m
Elongation at Break	23%	1~5%	5~15%
Snap-Fit Parts	✅ Fully Suitable	❌ Prone to Breaking	⚠️ Limited
Outdoor Accessories	✅ Fully Suitable	❌ Not Recommended	⚠️ Limited
Made in Taiwan	✅ Yes	❌ Mostly Imported	❌ Mostly Imported

🖨️ Compatible Printers (All 405nm Light Source Models)

Brand	Compatible Models (Examples)	Screen Type
✅ Phrozen	Sonic Mini 8K, Sonic Mega 8K, Transform, Shuffle	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 models with 405nm light source	All Compatible

❓ Frequently Asked Questions

Q: What's the difference between ENGR Strong and standard resins?

A: The key difference is the balance of toughness. Standard resins are lower in hardness and prone to brittle fracture. ENGR Strong achieves 85D hardness while maintaining 36 J/m impact strength and 23% elongation at break — making parts both hard and tough, capable of withstanding real-world impacts and bending.

Q: Is ENGR Strong suitable for snap-fit parts?

A: Absolutely! Snap-fit parts require a combination of "hardness + toughness" — hardness prevents deformation, toughness prevents brittle fracture during snapping. ENGR Strong's 85D hardness and 23% elongation at break perfectly meet this requirement.

Q: Can this resin be used outdoors?

A: Yes, for general outdoor use such as bicycle accessories and action camera mounts. Note that the heat deflection temperature is 65°C — avoid prolonged exposure to high-temperature environments (e.g., inside a parked car). For higher heat resistance, consider the QTS ENGR High Temp series.

Q: Why does white resin darken after post-curing?

A: This is a normal chemical reaction. White ENGR Strong temporarily darkens during UV post-curing. Leave at room temperature for 2-3 days or heat at 70°C for 1 hour to restore the bright white color, indicating complete post-curing and optimal mechanical performance.

Q: How long does post-curing take?

A: Generally 10~60 minutes under a 365~405nm UV curing station, depending on model thickness and color. Thicker models require longer time to ensure complete internal curing. Thorough post-curing is the key step to achieving optimal mechanical performance.

Q: Can water be used for cleaning?

A: Not recommended. ENGR Strong requires 95% IPA alcohol or dedicated cleaning solution for approximately 2~3 minutes. If you prefer water washing, consider the QTS Water Washable Resin series.

Q: What is the shelf life?

A: Use within 12 months of opening. Store sealed at 15~35°C in a cool, dry place away from direct sunlight. Filter used resin and store separately to avoid contaminating fresh resin.

Q: What's the difference between ENGR Strong and ENGR High Temp?

A: Both are engineering resins but with different focuses. ENGR Strong emphasizes "tough impact resistance" — ideal for parts that need to withstand impacts and bending. ENGR High Temp emphasizes "heat resistance (270°C HDT)" — ideal for parts used in high-temperature environments. Choose ENGR High Temp if your parts need to function in high-temperature conditions.

🏆 Why Choose QTS Technology?

Taiwan R&D & Manufacturing × 30+ Years Chemical Background × 8000+ Customers Trust

🇹🇼

100% Made in Taiwan

From formulation design to manufacturing, all completed in Taiwan. Ensuring consistent, stable quality in every batch.

🧪

30+ Years Chemical Background

Deep chemical R&D expertise enables us to develop materials that truly meet industrial standards for engineering applications.

🤝

15+ Years Industry Trust

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

🔧

Expert Technical Support

Complete parameter recommendations and troubleshooting to help you overcome engineering application technical challenges.

🔬

Strict Quality Control

Every batch undergoes rigorous quality testing, ensuring accuracy and consistency of performance data.

🧾

Transparent Shopping Experience

All prices include tax with official receipts provided. Perfect for corporate procurement and accounting.

💪 Order QTS ENGR Strong High Hardness Resin Now

Say goodbye to brittle, embrace toughness. Made in Taiwan, quality guaranteed.

🛒 Buy Now 📧 Technical Inquiry

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