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Industrial Lubricants & Grease | By Weight | NLGI GRADE

NLGI Grade

National Lubricating Grease Institute, a technical organization serving the grease industry.  The NLGI Grade refers to the NLGI Consistency Number, which is a measure of relative hardness of the grease.  

NLGI 000 - fluid 
NLGI 00 - semi-fluid
NLGI 0 - very soft
NLGI 1 - soft
NLGI 2 - "normal" grease
NLGI 3 - firm
NLGI 4 - very firm
NLGI 5 - hard 
NLGI 6 - very hard

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