One of the most perplexing problems that confronts the designer of citrus processing machinery and equipment is that of corrosion resistance. Citrus waste product, pulp, and juice have a citric acid content of around 2.7% by weight which will quickly destroy paint or lacquer finishes and will rapidly corrode carbon or low alloy steels. Only the highly alloyed chromium nickel steels, monel, inconel, pure nickel, some of the bronzes, tin and copper can withstand the corrosive attack of citrus juice and pulp.

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