Produced from a strong, flexible high-grade plant fiber, the material is then impregnated with protein and glycerin binders. The resulting sponge is aged and then typically sliced to 5/8th of an inch thick in preparation for various applications.Īnother gasket material that provides very good sealability is derived from vegetable fibers and vegetable fibers with cork gasket papers. The best fuel resistant gasket material for gasoline is Nitrile ( Buna-N), a closed-cell sponge rubber material that provides excellent gasket material for sealing applications that require resistance to gasoline, oil, fuels, as well as solvents, hydraulic fluids, and mineral and vegetable oils.Ĭlosed-cell sponge rubber refers to expanded synthetic rubber, i.e., an elastomeric treated withholding gas and a chemical blowing agent that, when mixed and heated, can expand up to four inches. The type of gasket material used in the internal combustion engine must be compatible with fuel injectors and many other fuel system components. What are the best gaskets for sealing petroleum-based fuels such as gasoline, diesel, and other aliphatic and aromatic hydrocarbons? The following is intended to help inform clients, customers, and consumers in selecting the best gasket material for gasoline and like products. Petroleum-based fuels use different gasket material than that in food processing environments. Gasket material will vary depending on the application. In order to function, every machine or engine part, be it mechanical, hydraulic, pneumatic, no matter the size and scale, relies on a gasket to effectively seal it to its mated part during assembly.īecause not all sealing and cushioning material is equal, the specific material used for gaskets depends upon the specific fluid or lubrication used in, say, a machine or engine. A gasket provides the sealing and cushioning material that fills the space between two mated parts or surfaces to prevent leakage or seepage of various lubricants, fluids, gases and fumes, and-or to join objects together under compression. Gaskets are those familiar, if not indispensable, rubber components that are used in all industrial, manufacturing or mechanical processes.
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