Hytrel® TPC-ET 5556

Hytrel TPC-ET 5556 is a medium-modulus thermoplastic polyester elastomer (TPC-ET) with a nominal hardness of 55D. It offers excellent toughness and resilience, high impact strength, and outstanding resistance to creep, tearing and flex fatigue. The material maintains flexibility at low temperatures and retains mechanical properties at elevated temperatures. Hytrel TPC-ET 5556 contains a non-discoloring stabilizer, is light-stabilized, and provides good resistance to many industrial chemicals, oils and solvents. It can be processed using conventional thermoplastic techniques such as injection molding and extrusion.

Key Features:

Medium modulus with balanced flexibility
High toughness and impact strength
Excellent resistance to creep, tearing and flex fatigue
Good chemical resistance to oils, fuels and industrial fluids
Non-discoloring stabilizer for improved color stability
Light-stabilized for improved outdoor/light exposure durability
Plasticizer-free with long-term property retention

Processing Form:

Injection Molding
Extrusion
Sheet Extrusion
Film Extrusion
Coating
Calendering
Casting
Thermoforming

Processing Notes:
Drying is recommended at 100°C for 2–3 hours to achieve a processing moisture content below 0.08%. Hytrel TPC-ET 5556 has an optimal melt temperature of 235°C and a mold temperature of 50°C. For extrusion, drying at 90–110°C for 2–3 hours with a moisture

Applications:

Automotive, Fluid Power, Electrical, Consumer Goods, Equipment Industry.

Hardness:

Delivery Form:

Pellets

Hytrel TPC is preferred for its unmatched resilience, strong heat and chemical resistance, and long-lasting durability.

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Key Features of Hytrel TPC

Flexibility & Resilience

Unlike traditional rubber, Hytrel TPC can flex in multiple directions, cycle after cycle, long after rubber would break.

Durability

Hytrel TPC is an essential ingredient in applications that must endure a wide range of temperatures and tough conditions during years of service.

Enhanced Chemical Resistance

Exhibits excellent resistance to hydrocarbons and other fluids, making it suitable for demanding environments.

Sustainable Options

The Hytrel TPC ECO-B series utilizes a biomass balance approach, incorporating up to 72% renewable content without compromising material properties.

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Technical Data Sheet

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We Are Bjørn Thorsen

Bjørn Thorsen A/S is a dynamic and growing company committed to long-term sustainability and profitability. As a trusted partner, we specialize in the competitive distribution of specialty raw materials while offering customized product solutions to meet diverse industry needs.

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