Arnitel — Rubber-like flexibility with engineering-grade durability.
Arnitel is a thermoplastic copolyester elastomer (TPC) developed by Envalior, combining rubber-like flexibility with excellent durability and long-term reliability. It offers high elasticity and recovery while maintaining superior heat resistance, chemical resistance, and fatigue performance compared with conventional elastomers. Arnitel remains flexible across a wide temperature range, from low to high temperatures, making it suitable for applications exposed to repeated deformation, vibration, and impact. As a thermoplastic material, it can be processed by injection molding or extrusion, enabling high design freedom and efficient mass production. With proven performance in automotive, industrial, and tubing applications, Arnitel enables rubber replacement, lightweight design, and improved processing efficiency while maintaining reliable long-term performance.
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basic information
Arnitel is based on thermoplastic copolyester elastomer (TPC) chemistry and is available in a wide range of hardness grades. It provides excellent elastic recovery and maintains mechanical properties even after prolonged cyclic deformation. Mechanically, Arnitel offers outstanding fatigue resistance, impact resistance, and abrasion resistance, making it suitable for dynamic applications subject to vibration and repeated motion. It retains flexibility even at low temperatures, reducing the risk of cracking or hardening in cold environments. Thermally, Arnitel features a wide continuous-use temperature range and maintains elastic properties at elevated temperatures. It also shows excellent resistance to oils, fuels, coolants, and many chemicals. From a processing perspective, Arnitel supports injection molding, extrusion, and blow molding. Compared with rubber, it enables simplified processing, recyclability, and consistent quality with high dimensional stability in mass production.
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Applications/Examples of results
Typical Applications Automotive: Air ducts, hoses, CVJ boots, sealing components Industrial: Tubes, belts, flexible mechanical parts Electrical & Electronics: Cable jacketing, flexible connector components
Detailed information
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Norda's trail running shoes, based in Montreal, utilize Arnitel. Envalior's Arnitel TPC super foam enables norda to design without using a carbon plate and with a standard midsole stack height, consistently achieving benchmark performance in weight, energy return, shock absorption, and stability over an extended period. The norda 005 features a combination of three top-level advanced materials: an virtually indestructible bio-based Dyneema upper, a foam midsole made with Envalior's Arnitel TPC, and a Vibram Megagrip Elite outsole.
Company information
Embario was established in April 2023 by the resin division of one of the top chemical manufacturers in the Netherlands, "DSM Engineering Materials," and the resin division of the German specialty chemicals manufacturer "Lanxess High Performance Materials." It is a company specializing in high-performance engineering materials with approximately 4,000 employees worldwide. Born from two companies with a combined history of 100 years, Embario focuses on sustainable high-performance solutions with deep expertise in materials and applications, supplying products to major global markets across a wide range of fields, including automotive and new mobility, electronics and electrical, and consumer goods. It has 32 locations in 8 countries worldwide, providing detailed services closely aligned with customers from its sales and development bases in Tokyo, Yokohama, and Nagoya, Japan.
