ASTM D 4950 STANDARD CLASSIFICATION AND SPECIFICATIONS FOR AUTOMOTIVE SERVICE GREASES

ASTM D 4950 Standard Classification and Specifications

For Automotive Service Greases

Service Category “L” Chassis (and Universal Joint) Grease

LA—Mild duty or non-critical applications.

Use under highly loaded conditions with frequent relubrication (2000 miles or less)

LB—Mild to severe duty (high loads, vibration, exposure to water).

Usable temperature of –40 to 248°F with relubrication intervals greater than 2000 miles

Service Category “G” Wheel Bearing Grease

GA—Mild duty or non-critical applications.

Use over limited temperature range with frequent relubrication.

GB—Mild to moderate duty (cars, trucks in urban and highway service).

Use over a wide temperature range of –40°F to 248°F and occasional spikes to 320°F.

GC—Mild to severe duty (frequent stop-and-go service, trailer hauling, mountain driving, etc.)

Use over a wide temperature range of–40°F to 320°F and occasional spikes to 392°F.

NLGI SYMBOLS

FINA LUBRICANTS - "Keep Things Moving"

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