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NLGI Classes

Unit of measurement for grease hardness

NLGI is an expression of grease consistency

The National Lubricating Grease Institute has established a standard for measuring grease consistency: ASTM D4950.
The temperature of the grease during measurement is 25 °C.

 

 
  • NLGI Consistency
  • 000 Olive oil
  • 00 Yogurt
  • 0 Mustard
  • 1 Tomato purée
  • 2 Peanut butter
  • 3 Margarine
  • 4 Soft serve ice cream
  • 5 Liver pâté
  • 6 Cheddar cheese