Elastic and Tough Thermoplastic Polyester Elastomers (TPEE) represent a class of advanced polymer materials that seamlessly bridge the flexibility of elastomers with the strength and processability of thermoplastics. Designed for high-performance applications, TPEEs are engineered to deliver outstanding resilience, mechanical durability, and chemical resistance across demanding environments. Their unique molecular structure, combining hard and soft segments, offers unmatched versatility, making them a material of choice for industries that prioritize performance, longevity, and lightweight solutions.

Key Features and Properties

Superior Flexibility and Elasticity

TPEE exhibits remarkable flexibility even at low temperatures, enabling it to maintain elasticity under dynamic conditions without compromising its mechanical integrity.

High Mechanical Strength

These elastomers offer excellent tensile and tear strength, ensuring that products withstand mechanical stress, impact, and deformation over extended periods.

Outstanding Chemical and Environmental Resistance

TPEE is highly resistant to oils, solvents, fuels, and a wide range of chemicals. It also maintains its properties after prolonged exposure to UV radiation, ozone, and varying weather conditions.

Excellent Fatigue and Creep Resistance

Thanks to its robust molecular architecture, TPEE provides long-term fatigue resistance and minimal creep, which is critical for dynamic applications requiring repeated flexing and bending.

Wide Temperature Operating Range

TPEEs perform reliably across a broad temperature spectrum, typically from -40°C to 150°C, maintaining flexibility and mechanical properties in extreme conditions.

Easy Processing and Recyclability

TPEEs can be processed using conventional thermoplastic techniques like injection molding, extrusion, and blow molding. Their thermoplastic nature also allows for efficient recycling and reprocessing, supporting sustainable manufacturing goals.

Applications and Industries Served

Automotive

• Constant velocity joint (CVJ) boots

• Airbag covers

• Wire and cable coatings

• Under-the-hood components requiring chemical and thermal resistance

Industrial and Electrical

• Conveyor belts

• Gaskets and seals

• Flexible tubing and hoses

• Wire and cable jacketing and connectors

Consumer Goods

• Sporting goods and footwear midsoles

• Flexible gears and mechanical components

• Protective phone and device housings

Construction

• Flexible profiles and seals

• Expansion joints

• Insulation components

Benefits and Competitive Advantages

Exceptional Balance of Strength and Flexibility

Unlike many polymers that sacrifice strength for flexibility or vice versa, TPEEs provide an optimal combination of both, enabling designers to innovate without compromise.

Long-Term Durability

TPEE’s outstanding fatigue and creep resistance ensures products maintain their functionality and safety over years of use, even in harsh environments.

Enhanced Chemical Compatibility

Its superior chemical resistance compared to conventional rubbers or plastics makes TPEE suitable for applications involving oils, fuels, or aggressive industrial fluids.

Lightweighting Potential

TPEE materials support the global trend toward lightweight product designs, especially crucial in automotive and aerospace applications seeking better fuel efficiency and lower emissions.

Sustainability Focus

As a fully recyclable material, TPEE supports circular economy principles and provides manufacturers with an eco-conscious option without sacrificing performance.

Technical Information

• Hardness Range: 30D to 82D (Shore D)

• Tensile Strength: 25–50 MPa

• Elongation at Break: 300–600%

• Flexural Modulus: 25–1200 MPa

• Melting Point: 200–220°C

• Service Temperature Range: -40°C to 150°C

• Processing Methods: Injection molding, extrusion, blow molding, thermoforming

Note: Specific grades are available to optimize properties such as UV resistance, flame retardancy, food contact compliance, or enhanced impact strength, depending on application needs.