Standard(s): 

ASTM D 128-18, ASTM D 128-20, DIN 51809-1 (obs.), IP 37, JIS K2220

Product group(s): Grease, Wax

User group(s): Grease, Wax

Scope:

These test methods for analysis cover greases of the conventional type, which consist essentially of petroleum oil and soap.
The constituents that can be determined are soap, unsaponifiable matter (petroleum oil, and so forth), water, free alkalinity, free fatty acid, fat, glycerin, and insolubles.