Polymer Additive

EPU 40

EPU 40, made with Carbon DLS (Digital Light Synthesis) technology, is an advanced elastomeric polyurethane material engineered for applications that demand high flexibility, tear strength, and energy return.

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Material Overview

Known for its superior elasticity and durability, EPU 40 is perfect for producing cushioning, seals, gaskets, and vibration isolation components. This versatile material is widely used across industries such as athletic footwear and automotive manufacturing, where resilience and flexibility are essential.

Key Features:

High Elasticity: Delivers exceptional flexibility, allowing parts to bend, stretch, and compress without breaking.
Tear Resistance: EPU 40 offers high tear strength, making it suitable for applications requiring durability under repeated use and stress.
Energy Return: Designed for applications needing a high degree of energy return, making it ideal for impact-absorbing parts like cushioning and footwear components.
Resilient Performance: Maintains performance over time, ensuring long-lasting, reliable parts that withstand heavy use.

Color Option: Black

Property	ASTM	Metric Units
Tensile Strength	D638M	6 MPa
Modulus of Elasticity, Youngs Modulus	D638M	8 MPa
Elongation at Break (%)	D638M	190%
Flexural Strength	D790M	NA
Flexural Modulus	D790M	NA
IZOD Impact (notched)	D256A	NA
Heat Deflection Temperature at .45 MPa/66 psi (°C)	D648	NA

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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Applications

High-Clarity, Water-Resistant

Seals and Gaskets: Durable enough to form tight seals, yet flexible for easy installation, EPU 40 is ideal for industrial and automotive gaskets.
Athletic Footwear: Provides cushioning and impact absorption in footwear, offering comfort and resilience with every step.
Cushioning: Perfect for parts that need to absorb shocks, such as protective padding or supports.
Vibration Isolation: Used to dampen vibrations and protect sensitive components in machinery and electronics.

Advantages:

Exceptional Flexibility and Durability: With high elasticity and tear strength, EPU 40 is built for demanding applications requiring flexibility and longevity.
Impact Absorption: Offers excellent energy return, making it perfect for applications that need to absorb impact or cushion repetitive force.
Versatile Use: Suitable for a wide range of applications, from industrial seals and gaskets to footwear and cushioning, making it adaptable to various industries.
Durable Under Repeated Use: Resistant to wear and tear, ensuring parts retain their integrity and functionality over extended use.

Disadvantages:

Limited Color Options: Available only in black, which may limit its use in applications requiring color variety or specific aesthetic choices.
Specific to DLS Technology: EPU 40 is compatible only with Carbon’s DLS technology, which may restrict accessibility for those without this equipment.
Requires Precise Handling: Due to its high elasticity, EPU 40 may require careful handling during post-processing to maintain its performance attributes.

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