NLGI? standards?
abbreviation |
description |
NLGI | National Lubricating Grease Institute (USA) |
ASTM D4950 | Standard classification and specification of automotive service lubricants |
SAE J310 | Lubrication automotive lubricants |
ISO 6743-9 | Standard for lubricating and industrial oils and related products L9X |
L9X | (class L) - classification - Part 9: Family X (lubricants) |
ASTM D217 | Grease cone penetration |
What is NLGI consistency?
NLGI Consistency is a measure of the relative hardness of a lubricant as classified and rated in ASTM D4950, SAE J310 and ASTM D217. The NLGI consistency number is also part of the code specified in ISO 6743-9.
The NLGI classification defines 9 grades
Number |
ASTM D217(25°C) |
Food consistency analog |
NLGI 000 |
445-475 |
cooking oil |
NLGI 00 |
400-430 |
Apple Muse |
NLGI 0 |
355-385 |
brown mustard |
NLGI 1 |
310-340 |
tomato sauce |
NLGI 2 |
265-295 |
peanut butter |
NLGI 3 |
220-250 |
~ |
NLGI 4 |
175-205 |
frozen yogurt |
NLGI 5 |
130-160 |
smooth pate |
NLGI 6 |
85-115 |
Cheddar |