It has been known for many years that lanolin films applied to iron and steel surfaces will give excellent protection against rusting. These lanolin coatings are usually regarded as ‘temporary’ coatings, in the sense that they are used primarily for the protection of bright steel parts during transport and storage, and often must be removed before the part is used. This conception of the temporary nature of lanolin coatings is perhaps a little unfortunate, since in certain circumstances they can give long‐term protection comparable with that obtained with much more expensive coatings. It is also often overlooked that lanolin coatings can give excellent protection against corrosive agents other than water, e.g. acids, alkalis and salts.
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