What does NLGI stand for?

NLGI is an abbreviation for the National Lubricating Grease Institute.

NLGI is an abbreviation for the National Lubricating Grease Institute. It expressed a measure of the relative hardness of the a grease which is used for lubrication.

NLGI number

ASTM worked (60 strokes)

penetration at 25 °C

tenths of a millimetre

Appearance Consistency food analog
000 445-475 fluid cooking oil
00 400-430 semi-fluid apple sauce
0 355-385 very soft brown mustard
1 310-340 soft tomato paste
2 265-295 "normal" grease peanut butter
3 220-250 firm vegetable shortening
4 175-205 very firm frozen yogurt
5 130-160 hard smooth pâté
6 85-115 very hard cheddar cheese