Dimethyl ether (DME) is an economic and effective alternative fuel or fuel additive for use with gas turbines as well as petrol and diesel powered engines. However, the seals used on diesel engine injector tips must be specified to resist degradation where an aggressive alternative fuel such as DME is being used.
However, the operation of diesel engines powered by DME fuel for commercial passenger transportation, with DuPont Kalrez 6375 O-ring seals fitted to the fuel injectors, has achieved and maintained reliable engine performance without premature seal degradation.
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