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Polymer Additive

EPU 46

EPU 46 is a high-performance elastomer material from Carbon’s Digital Light Synthesis (DLS) technology, offering unmatched customization in color and material stiffness.

Material Overview

Known for its superior energy return, EPU 46 is Carbon’s most advanced elastomer, designed for demanding applications that require durability and flexibility. With tunable stiffness and color customization, EPU 46 unlocks new possibilities in lightweight designs, energy efficiency, and visual appeal.

Key Features:

    • Energy Return & Durability: Delivers exceptional resilience, making it ideal for high-performance applications needing shock absorption and long-lasting wear.
    • Customizable Colors: Available in a base black or customizable color options, allowing flexibility in design and branding.
    • Tunable Stiffness: Adjustable material stiffness from Shore 78A to Shore 56A through different resin ratios, giving you full control over the material’s feel and performance.
    • Eco-Conscious Design: Formulated to be 40% bio-based, with solvent-free cleaning and resin reclaim processes to minimize waste.
    • Lightweight Designs: EPU 46 enables low-density lattice structures, producing lighter parts that maintain strength and reduce production costs.

Color Option: Customizable

PropertyASTMMetric Units
Tensile StrengthD41226 MPa
Modulus of Elasticity, Youngs ModulusD41215 MPa
Elongation at Break (%)D412330%
Shore A HardnessD224078
Bayshore ResilienceD263236%
Tear StrengthD62444 kN/m
Glass Transition TemperatureD4065-6°C

DLS Technology

Digital Light Synthesis™ or DLS, is an innovative breakthrough in 3D printing using digital light projection together with oxygen permeable optics developed through Carbon’s CLIP™(Continuous Liquid Interface Production) technology.

Applications

Customizable Elastomer

  • Athletic Footwear: Perfect for creating cushioned, energy-returning midsoles with custom stiffness and color options.
  • Automotive Components: Ideal for producing flexible and impact-resistant parts, such as seals, gaskets, and vibration-damping components.
  • Consumer Goods: Suitable for high-impact products like protective gear, wearable tech, and shock-absorbing accessories.
  • Industrial & Medical Uses: Perfect for flexible, durable components in industrial equipment and healthcare products requiring adjustable firmness.

Advantages:

  • High Customizability: Offers unparalleled flexibility in color and material stiffness, allowing precise tuning for various applications.
  • Superior Energy Return: Provides outstanding resilience, making it ideal for products that require repeated impact absorption.
  • Eco-Friendly: Made with 40% bio-based content and solvent-free cleaning, EPU 46 is designed to reduce environmental impact.
  • Enhanced Printability: Compatible with Carbon’s validated formulations for soft and extra-soft options, ensuring reliable and consistent print results.

Disadvantages:

  • Specialized Equipment Required: Only compatible with Carbon’s DLS technology, which may limit accessibility for some users.
  • Cost Considerations: High-performance features and customization options may lead to higher material costs, impacting budget-conscious projects.
  • Post-Processing Sensitivity: Customization in stiffness and color may require careful handling during post-processing to achieve optimal results.

Achieve high-quality finished parts