Exclusive High-Performance Thermoplastic Copolyester Elastomers – Stability up to 175°C

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Type of Solution sought

A leading materials supplier has developed a groundbreaking line of Thermoplastic Copolyester Elastomers, uniquely engineered through advanced polymerization to enhance properties, unlike others that rely on additives. This innovative approach combines the best characteristics of rubber and high-performance engineering plastics, delivering superior durability, flexibility, and performance. The materials offer exceptional flexibility, heat resistance (up to 175°C), superior performance at low temperatures, and excellent oil resistance, among other benefits. In addition, this innovative material serves as a sustainable, PFAS-free alternative to fluoropolymers. It delivers outstanding thermal and chemical resistance, making it a game-changer for applications demanding high-performance, environmentally conscious solutions.

Who might be interested?
The supplier is eager to connect with parts manufacturers:

actively seeking cost-effective, high-performance alternatives to traditional TPC, COPE materials or polyamides such as PA11 and PA12,
pursuing sustainable, high-performance alternative to fluoropolymers (ETFE, PTFE, THV).

Description of Desired Solution

A leading materials supplier has developed a groundbreaking line of Thermoplastic Copolyester Elastomers, uniquely engineered through advanced polymerization to enhance properties, unlike others that rely on additives.

Detailed Solution Description

The innovative thermoplastic copolyester elastomers feature a broad hardness range, from 70A to the rigidity of solid PBT, and are compatible with various processing methods, including injection molding, extrusion, and blow molding.

Benefits:

Unique polymerization for superior properties, surpassing alternatives that depend on additives,
Great stiffness and tensile properties (comparable to PA12),
Thermal stability combining both low glass transition temperature and high melting point,
Excellent heat aging resistance (120-175°C) with some grades outperforming PA12,
Outstanding oil resistance, similar to that of fluoropolymers (and doesn’t contain plasticizers)

High melting point
Heat aging resistance
Oil resistance
Weather resistance

Flexibility
Low temperature properties
Flexural fatigue resistance
Resilience

Excellent balance of heat, oil, and bending fatigue resistance

Solution A		High resistance to flexural fatigue Property retention at low temperatures (performing up to -60°C) Cost advantage vs traditional TPC, COPE, PA11 and PA12

Solution B		Low abrasion Low thermal expansion Low fuel permeability

Solution C		Heat aging resistance Oil resistance close to fluorinated polymers Low friction

Solution D		Excellent heat aging resistance Hydrolysis resistance Oil resistance close to fluorinated polymers

Characteristics		Solution A	Solution B	Solution C	Solution D	PA12
Durometer Hardness (15s) ISO 48-4	Shore A	98	98	98	98	98
Durometer Hardness (15s) ISO 48-4	Shore D	57	57	53	59	66
Density g/cm³, ISO 1183		1.23	1.22	1.25	1.25	1.00
Flexural Modulus MPa, ISO 178		323	229	302	210	500
Tensile Stress at Yield MPa, ISO 37		20.7	20.4	19.9	20.1	29.9
Tensile Strength at Break MPa, ISO 37		43.9	34.6	39.3	43.3	52.7
Elongation at Break %, ISO 37		660	550	600	590	460
Charpy Notched Impact Strength kJ/m², ISO 179-1		NB	NB	NB	NB	115
Melting Point °C		211	229	220	204	176
Melt Flow Rate g/10min, ISO 1133 (A: 230℃, 2.16kg / B: 235℃, 2.16kg)		19(A)	14(B)	13(A)	4(A)	3*
Type of Grade		Standard grade	Fuel barrier	Heat aging resistance	Superior heat aging resistance	-

Values in the table are typical measurements of materials, not guaranteed or minimum values.
These values are the physical properties in natural color. They may vary depending on color. *PA12, 250°C, 5kg

A: P-type B: EN-type C: S-type D: C-type

Application examples (non exhaustive)