This standard specifies methods for testing the degree of foaming and foam stability of coconut oil at specified temperatures. It can be applied both to lubricants that contain additives to modify them to reduce their tendency to form stable foam, as well as to lubricants that do not contain such additives.
JIS K 2518:2003 history
2017JIS K 2518:2017 Lubricating oils -- Determination of foaming characteristics
2003JIS K 2518:2003 Petroleum products -- Lubricating oils -- Determination of foaming characteristics
1991JIS K 2518:1991 Petroleum products -- Lubricating oils -- Determination of foaming characteristics