Non-Asbestos Gasket Materials: An Overview
Non-asbestos gasket materials have become essential in industrial applications due to the health risks associated with asbestos. In the past, asbestos was widely used for its excellent heat resistance properties. However, once its dangers were recognized, alternative materials were developed to perform similar functions without the associated risks.Get more news about
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What Are Non-Asbestos Gasket Materials?
Non-asbestos gasket materials are composed of various fibers blended with polymers to create effective sealing solutions. Some common fibers used include:
Aramid Fiber (Kevlar): Known for its high strength and heat resistance, aramid fiber is a popular choice. It offers good chemical resistance and is often combined with nitrile rubber for applications involving fuel and oil exposure.
Carbon Fiber: Carbon fiber provides excellent chemical resistance and is suitable for high-temperature environments. It is commonly used in gaskets for oil and gas industries.
Other Non-Organic Fibers: These fibers include glass, ceramic, and mineral fibers. They contribute to the overall performance of non-asbestos gaskets.
Applications of Non-Asbestos Gaskets
Non-asbestos gaskets find use in various industries:
Oil and Gas: These gaskets are employed in pipelines, valves, and flanges to prevent leaks in oil and gas processing.
Chemical Processing: Non-asbestos gaskets resist chemical exposure, making them suitable for chemical plants.
Petrochemical Industry: Gaskets in petrochemical facilities handle extreme temperatures and aggressive chemicals.
Process Industry: From air compressors to diesel engines, non-asbestos gaskets maintain leak-free operations.
Notable Non-Asbestos Materials
Two well-known non-asbestos gasket materials are:
Novus: Novus gaskets come in various grades (N30, N34, N49, N10) and exhibit good resistance to acids, oils, and fuels. They are suitable for water and petrol applications.
Klinger®: Klinger® gaskets (C4400, C4430, C4324, C4500) offer excellent resistance to oils, solvents, gases, steam, and dilute acids. They have superior bolt stress retention properties and are easy to handle and install.
