Non-drying oil

A non-drying oil is an oil which does not harden when it is exposed to air. This is as opposed to a drying oil, which hardens (through polymerization) completely, or a semi-drying oil, which partially hardens. Oils with an iodine number of less than 115 are considered non-drying.

Examples

gollark: Possibly, and I think SCTP is kind of that, but nobody uses it.
gollark: Me?
gollark: You will probably have at least 2 memory safety vulnerabilities.
gollark: No, do not.
gollark: *DO NOT* PREPROCESS THAT HYPERTEXT
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