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.

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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

Property	ASTM	Metric Units
Tensile Strength	D412	26 MPa
Modulus of Elasticity, Youngs Modulus	D412	15 MPa
Elongation at Break (%)	D412	330%
Shore A Hardness	D2240	78
Bayshore Resilience	D2632	36%
Tear Strength	D624	44 kN/m
Glass Transition Temperature	D4065	-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.

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Customizable Elastomer

Applications

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.

EPU 46™ and Digital Light Synthesis™ are trademarks of Carbon, Inc. References to EPU 46™ are used strictly for cross-reference, technical material identification, and compatibility purposes. This website is not affiliated with, sponsored by, or endorsed by Carbon, Inc.

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