Semi-drying oil

A semi-drying oil is an oil which partially hardens when it is exposed to air. This is as opposed to a drying oil,[1] which hardens completely, or a non-drying oil, which does not harden at all. Oils with an iodine number of 115–130 are considered semi-drying.

  1. ^ "Drying Oil - an overview | ScienceDirect Topics". www.sciencedirect.com. Retrieved 2021-09-21.