A preliminary study was made of the corrosiveness of 15% by volume methyl fuel/gasoline blends on materials conventionally used for gasoline service in automotive fuel systems. The presence of water, salt and air dramatically increased the corrosiveness of the fuel. Of the metals studied, aluminum was relatively unaffected, while copper, brass, steel (types 1181 and 1008), zinc and template all showed signs of corrosion. Non‐metallic samples, particularly expanded polyurethane and Buna‐N. underwent greater attack in the presence of methyl fuel. Conductivity measurements showed that the presence of water and salt in the fuel can cause galvanic corrosion to occur.
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Foulkes et al. (1980) studied this question.