Reynolds is one of the pioneer companies introducing aluminum as a sacrificial anode to protect steel structures in sea water. The company has maintained an active research program to obtain maximum theoretical efficiences from aluminum. A patent(1) was obtained in 1956 teaching how mercury could be alloyed with aluminum to produce a sacrificial anode. Reynolds’ high efficiency REYNODE (1A) alloy belongs to the aluminum-zinc-mercury system capable of producing 1280 amp hrs/pound.(2).

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