Historical
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.
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International Organization for Standardization [iso]
International Organization for Standardization [iso]
