Chosen for its outstanding dimensional stability and electrical properties, Arnite is a high-reliability PET material.
Arnite is a PET (polyethylene terephthalate) engineering plastic developed by Envalior, offering excellent dimensional stability, electrical properties, and heat resistance. Thanks to its low moisture absorption, Arnite is highly resistant to humidity-induced dimensional changes, making it ideal for precision electrical and automotive electronic components. Arnite provides a well-balanced combination of stiffness and durability, maintaining stable mechanical properties over long service life. The portfolio includes unreinforced, glass-fiber-reinforced, flame-retardant, heat-resistant, and hydrolysis-resistant grades, enabling optimized material selection for a wide range of applications. With excellent reproducibility in mass production and stable molding behavior, Arnite supports consistent quality and reliable manufacturing. It is a trusted PET solution for applications requiring both high reliability and productivity.
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basic information
Arnite is based on PET chemistry and is available in unreinforced, glass-fiber-reinforced (typically GF10–40%), flame-retardant, heat-resistant, and hydrolysis-resistant grades. Its low moisture absorption ensures outstanding dimensional stability with minimal property variation over time. Mechanically, Arnite offers balanced tensile strength and high flexural stiffness. Glass-fiber-reinforced grades provide enhanced rigidity and low creep, supporting stable performance in snap-fit and fastening designs. Thermally, Arnite has a melting point of approximately 250–260 °C and high heat deflection temperatures suitable for automotive and electrical applications. It also shows excellent resistance to thermal aging and heat cycling. Arnite exhibits good resistance to oils, fuels, coolants, cleaning agents, and various chemicals. Hydrolysis-resistant grades maintain stable properties even under high-temperature and high-humidity conditions. Arnite also delivers excellent electrical insulation and tracking resistance, with UL94 V-0 flame-retardant grades available. Its good injection-molding processability ensures stable appearance, dimensional accuracy, and consistent quality in mass production.
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Applications/Examples of results
Typical Applications Automotive: Brake boosters, various housings and cases Electrical & Electronics: E&E housings
Detailed information
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Envalior is focusing on the development of PBT compounds for laser transmission welding, aiming to expand its related product portfolio. Application areas include precision housings for adaptive cruise control systems, battery management units for electric vehicles, GPS systems, cameras, air conditioning systems, and 5G antennas, among others.
Line up（5）
| Model number | overview |
|---|---|
| Arnite–A for housing applications | Arnite polyethylene terephthalate (PET) is an excellent choice for a wide range of housing applications, such as actuators and power steering enclosures. |
| Arnite–A for brake booster valve | Arnite polyethylene terephthalate (PET) has been trusted for over 20 years in brake booster valve applications. |
| Arnite–T for electrical and electronic applications | Arnite T is an ideal material for plug connectors, bobbins, and circuit breakers. |
| Arnite–T for automotive E&E applications | Arnite polybutylene terephthalate (PBT) combines low outgassing and excellent dimensional stability, making it essential for automotive lighting applications. |
| Arnite-T for laser welding | Arnite polybutylene terephthalate (PBT) achieves both low outgassing and excellent dimensional stability, making it essential for automotive lighting applications. |
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.
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