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Gaskets & Papers








Lapinus is the world’s leading supplier of engineered fibres for inclusion in gaskets and for other applications such as heat shields. Rockseal® fibres, specially developed for the gasket industry, increase strength, temperature resistance and compression set.
 
Our fibres are incombustible and have excellent high-temperature performance. This makes them ideal for creating heat-resistive papers with far better performance than cellulose and glass, and much lower cost than ceramic fibres. Heat shields made with Lapinus papers also meet the growing requirements for recycling.
 
Rockseal® fibres also replace cotton, aramid or carbon fibres in friction papers used in automotive transmission systems, offering cost reduction as well as improved performance.
 
Our fibres give gaskets excellent high temperature and pressure performance and enhance compression set and creep resistance. Even when the rubber in a gasket starts to fail, the fibres will continue to support it, prolonging gasket life and reducing maintenance. Gaskets including Rockseal® fibres are used anywhere where high-temperatures are involved and a seal needs to be made. Static flanges are an obvious example, but other applications include compressors and pumps.
 
Rockseal® fibres are also ideal for producing replacements for asbestos-based gaskets and gaskets made from other materials, such as ceramic, which also have health concerns.
 
View our brochure on Gaskets & Papers applications 
View the Rockseal® Product Range 
More about Rockseal®