What Type of Gasket Material Is Used Around Gasoline?

by Derek Wray
<p>The type of gasket material used around gasoline depends upon the specific application. Automotive fuel injectors use <a href="http://www.thomasnet.com/articles/hardware/o-rings-material-makeup">rubber o-rings</a> and so do many other fuel system components. For automotive purposes, there are three common examples of fuel resistant gasket materials:<br></p>
<p><strong>Nitrile bonded</strong> <a href="http://standards.sae.org/amsc6183/">cork gasket material</a> is gasoline resistant and acceptable for use in some automotive applications.</p>
<p><strong>Rubber coated</strong> <a href="http://shop.mr-gasket.com/gaskets/fuel-bowl-and-metering-gasket.html">paper gasket material</a> can be used for carburetor float bowl and other applications where fuel resistance is required.<br></p> <p><strong>Fuel resistant</strong> <a href="http://www.permatex.com/products-2/product-categories/gasketing/gasket-sealants/permatex-permashield-fuel-resistant-gasket-dressing-flange-sealant-detail">gasket dressing</a> can be used on applications when a gasket requires a sealant added for extra fuel resistance.</p>

Warnings

Silicone sealants are not recommended for use in a gasoline environment. The gasoline will attack the product.

About the Author

Derek Wray is an ASE Master-certified automotive instructor and former professional technician. Wray graduated from Universal Technical Institute with a degree in automotive and diesel technology. He has received technical training from General Motors Corporation and is the author of an engine performance reference book for automotive students.

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