Automotive Service Grease ASTM D 4950 Specification
Qualification Tests for Wheel Bearing Grease
Category GB, Mild to Severe Duty, Wide Temperature Range, -40 to +244°F
Category GC, Severe Duty, Wide Temperature Range, -40 to +320°F

Descripción de la Prueba

Método

Pruebas Requeridas:

Penetration, Cone, of Lubricating Greases, Worked

ASTM D 217.b

NLGI Consistency Number

NLGI

Dropping Point, Lubricating Greases

ASTM D 566

Low Temperature Performance of Grease-Lubricated Wheel Bearings

ASTM D 4693

Water Washout Characteristics of Greases at 80°C (175°F)

ASTM D 1264.b

Oil Separation from Lubricating Grease, Bleed

ASTM D 1742

Corrosion Preventive Properties, Greases (Rust Protection)

ASTM D 1743

Wear Preventive Characteristics of Grease, Four-Ball Method

ASTM D 2266

Elastomer Compatibility of Lubricating Greases and Fluids

ASTM D 4289

Extreme Pressure Properties of Greases, Four-Ball

ASTM D 2596