Lexan

Lexan Definition

Lexan is a polycarbonate material developed by General Electric in 1953. It exhibits exceptional impact resistance, enduring forces up to 250 times greater than glass. This material has a specific gravity of 1.2 and possesses excellent thermal stability and clarity. Lexan showcases resilience against various chemicals and is suitable for multiple applications, including automotive components and medical equipment. Its versatility and durability make it an essential material across diverse industries. Additional properties and uses are outlined further.

Overview of Lexan

Lexan, a brand name for polycarbonate, is a thermoplastic material that was originally developed by General Electric in 1953.

Known for its exceptional impact resistance, Lexan can withstand forces up to 250 times greater than glass, and is 30 times more impact-resistant than acrylic. Its chemical resistance allows it to endure exposure to harsh substances, including acids and gasoline, while maintaining structural integrity. Custom lexan printing enhances its utility by facilitating the creation of personalized labels and overlays for various applications, making it a versatile choice in industries such as automotive, electronics, and medical equipment. Lexan can deform in extreme heat while retaining its strength, further expanding its range of applications. Lexan also offers high impact strength and is an economical option for protection against breakage or intrusion. Also, this material’s high strength-to-weight ratio makes it ideal for lightweight and durable components in various industries.

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Physical Properties

The physical properties of Lexan, a polycarbonate material, are characterized by its unique combination of density, thermal resistance, optical clarity, and electrical insulation capabilities.

With a specific gravity of 1.2, Lexan exhibits minimal water absorption and excellent thermal stability across various environments. Its high clarity and low haze make it suitable for applications requiring optical precision, such as durable equipment labels. Lexan supports high-resolution vector graphics preparation and effective color matching for polycarbonate substrates, enhancing its utility in projects demanding visual accuracy. Its UV resistance and weatherability further contribute to its versatility across diverse industries. Also, Lexan is a high-impact material that provides economical protection against breakage or intrusion, making it ideal for primary glazing applications. Also be aware that the ongoing maintenance status of services ensures that users can expect improved performance and reliability in applications utilizing Lexan. Notably, its compressive strength of 11,000 p.s.i enhances its suitability for structural applications where durability is paramount.

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Mechanical Properties

Mechanical properties are critical to understanding the performance of Lexan, an amorphous engineering thermoplastic known for its toughness and dimensional stability.

Lexan exhibits impressive tensile strength, ranging from 8,000 to 10,500 psi, making it suitable for demanding applications. Its high impact resistance guarantees shatter resistance, with Izod impact test values between 12 to 16 ft-lb per inch. Lexan demonstrates commendable thermal resistance, withstanding temperatures up to 290°F (143°C). The material’s flexural strength ranges from 11,000 to 13,000 psi, indicating its rigidity and suitability for structural uses where performance and reliability are paramount. Also be aware that Lexan is notable for its thermal stability, ensuring it maintains its properties under varying temperature conditions.

Chemical Resistance

Chemical resistance is a significant aspect of Lexan’s performance, influencing its applicability across various industries.

Lexan demonstrates resilience against many acids, oxidizing agents, and certain hydrocarbons, making it suitable for automotive manufacturing and medical device interfaces. Nonetheless, As we know, Lexan is incompatible with aromatic hydrocarbons and concentrated ammonia. While it tolerates various cleaning agents, degradation can occur with specific phenolic compounds. Its ability to withstand standard autoclaving conditions further enhances its utility in medical applications. Understanding these chemical resistance properties is essential for ensuring the durability and reliability of products utilizing Lexan in demanding environments. Proper testing is necessary to determine the correct application of Lexan in specific chemical environments.

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Applications and Uses

Lexan, a high-performance polycarbonate material, finds extensive applications across various industries due to its unique properties.

In automotive manufacturing, it is utilized for dashboard overlays and headlight lenses, providing impact resistance and lightweight benefits. Its exceptional impact resistance ensures safety in high-speed environments where durability is crucial.

Medical equipment suppliers favor Lexan for its durability and sterilizability in devices like incubators and surgical tools. Its high impact resistance ensures that medical devices can withstand rigorous use while maintaining safety for patients. Its energy absorption properties make it suitable for applications requiring protection against impacts.

In the domain of industrial labeling, Lexan’s robustness makes it ideal for durable equipment labels and control panels.

Its versatility extends to signage and electronic components, demonstrating its critical role in enhancing functionality and safety across multiple sectors while serving the needs of diverse end-users.

Thermal and Optical Properties

As a high-performance polycarbonate material, Lexan exhibits notable thermal and optical properties that contribute to its versatility in various applications.

Its thermal conductivity measures 0.290 W/m-K, allowing for effective heat management. Lexan maintains mechanical integrity at elevated temperatures, with a continuous use temperature of 100°C and softening at approximately 145°C.

Lexan is recognized for its exceptional optical clarity, offering high luminous transmittance and various color options. Some formulations enhance UV resistance, ensuring durability against degradation.

These combined attributes make Lexan a suitable choice for demanding environments, particularly in automotive, medical, and electronic applications.