ISO 2137:1985

Petroleum products — Lubricating grease and petrolatum — Determination of cone penetration

Section One gives four procedures for determination of the consistency by measurement of the penetration of a standard cone. Section Two gives methods, when only small samples are available, by the use of cones a half or quarter scale of that used in Section One. The methods are applicable to penetrations of 175 to 385 units. They are not intended to replace the full-scale penetration.