eSUN Hard Tough Resin

eSUN Hard Tough Resin
Professional engineering-grade Hard Tough Resin delivers exceptional strength and impact resistance with ABS-like properties—withstands drilling, hammering, and mechanical stress without breaking. Features 75-81D hardness, 30-60 MPa tensile strength, and 35-52% elongation for durable functional prototypes. Compatible with mono/color LCD printers, this urethane acrylate resin enables reliable mechanical parts manufacturing for automotive and industrial applications.
Key Features
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ABS-like engineering strength resists impacts with 9/10 toughness rating for mechanical parts
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Drillable and tap-ready durability tested with electric drills without structural failure
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High impact resistance (40-110 J/m) exceeds standard resin by 300% for rugged applications
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Professional 75-81D hardness with 30-60 MPa tensile strength for automotive prototypes
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Universal LCD/DLP compatibility (405nm) with 200-300 mPa·s viscosity for precision
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Functional mechanical properties enable jigs, fixtures, and protective housings
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Superior elongation (35-52%) prevents brittle failure under repeated stress cycles

Hardness 81D, High Toughness & Wear Resistance
eSUN Hard Tough Resin achieves exceptional Shore D hardness of 75-81 with outstanding wear resistance, making it significantly tougher than standard ABS-like resins according to eSUN's official technical data sheet. The material demonstrates superior mechanical properties including tensile strength of 30-60 MPa and flexural strength of 30-75 MPa, while maintaining high surface hardness that enables printed parts to be mechanically drilled without breakage. With excellent toughness ratings of 9/10 and strength ratings of 8/10, this urethane acrylate photocurable resin provides ABS-like performance suitable for demanding mechanical applications requiring both rigidity and durability.

High Impact Strength, Fall Resistance & Mechanical Properties
eSUN Hard Tough Resin delivers exceptional impact resistance with IZOD impact strength ranging from 40-110 J/m, providing significantly higher shock resistance than normal resins according to eSUN's specifications. The material exhibits remarkable elongation at break of 35-52%, enabling printed parts to withstand high mechanical stresses, drops, and impacts without failure. With excellent mechanical stability and proven performance in carrier gear testing where parts withstand high impact forces and drilling operations, this resin ensures reliable long-term performance in automotive, mechanical, and industrial applications.

Fast Curing, Excellent Fluidity & High Success Rate
eSUN Hard Tough Resin features optimized viscosity of 200-300 mPa·s ensuring excellent fluidity for smooth printing processes and consistent layer formation across various LCD printer models. The material demonstrates fast curing capabilities with speed ratings of 8/10, enabling efficient production with typical exposure times of 8 seconds for normal layers and 20-30 seconds for bottom layers. With high compatibility across mainstream LCD/DLP printers and forming ratings of 8/10, this resin delivers reliable printing success rates while requiring standard post-curing of 25-30 minutes to achieve optimal mechanical strength according to eSUN's processing guidelines.