Your guide to o ring materials hydrogenated nitrile hnbr. Automotive fuel injectors use rubber o rings and so do many other fuel system components.

Everything You Need To Know About O Rings And Seals Rs
Gasoline resistant o rings. Free in store or curbside pick up. Get durable buna n and viton o rings from grainger to help tightly seal connections in a wide range of industrial applications. Chemical processing industry o rings cpi o rings oil and gas drilling o rings ed resistant o rings norsok m 710 seals nace tm0297 seals automotive o rings and oil seals. Reference guide for o ring materials material use with do not use with comments nitrile buna n air water oils acetone lube oil good wear resistance autoaircraft duro. Dorman transmission oil cooler o ring 82562. High fluorine grade o rings gives better performance in methanolethanol blended gasoline.
Base resistant grade offers better oil protection. Special compounds using new polymer technologies provide improved low temperature performance with a tr 10 of 40f and brittleness to 76f. Basic o ring chemical resistance compatibility information is based on isolated generic o ring material testing in optimal conditions at room temperature and pressure. Good wear resistance moderate compression set resistance moderate short term resilience excellent permeation resistance. Exposing rubber o ring materials to multiple chemicals and compounding application factors like temperature pressure and gland design can result in significantly different performance. 70 standard fuels gasoline brake good compression set resistance temperature.
18 different sizes come in a lightweight and convenient storage kit to accommodate a variety of tasks. Slightly harder durometer 75 shore a fluorocarbon viton rings can offer low swell and resist a diverse range of chemicals uv light and ozone. For automotive purposes there are three common examples of fuel resistant gasket materials. Buna n rings with durometer 70 shore a can offer hood physical properties and provide excellent resistance to petroleum products. 35 to 250 engine coolant lpg fluids automatic good short term resilience. They can also endure high temperature.
Nitrile bonded cork gasket material is gasoline resistant and acceptable for use in some automotive applications. Constructed of viton polymer these o rings provide excellent protection during high heat applications 400 and are resistant to aggressive fuels and chemicals.