APG’s C-4430 - Aramid Fiber and Fiberglass Sheet with Nitrile Binder is a universal gasket material, suitable for a wide range of applications. C-4430 is resistant to water and steam at higher temperatures as well as oils, gases, salt solutions, fuels, alcohols, moderate organic and inorganic acids, hydrocarbons, lubricants, and refrigerants. The material is manufactured with a combination of aramid fiber and fiberglass reinforced with a nitrile binder.