ASTM D1831: Roll Stability 2 hrs. @ 100°C

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ASTM D1831 Roll Stability of Lubricating Grease

Greases are made with a certain consistency to stay in place and release oil at a desired rate during use.  If the grease is subject to mechanical stresses in service, changes in consistency may occur making the grease less able to perform as intended in the application.  This test uses a roll stability apparatus (a hollow cylinder in which the grease and a 5 kg cylinder (roll) are placed) to assess possible grease consistency changes in service.  Roll stability values are also required for some specifications.

A ½ scale worked penetration is taken on the grease.  The grease is then placed in the roll stability apparatus, rolled for two hours at 100°C (modified fromstandard ASTM D1831) and a final worked penetration value is determined.  Reported are the initial, final and change in worked penetration values.

Note on Related Tests:  ASTM D1831 specifies 2 hours at 20°C to 35°C.  Petro-lube can vary both the time and the temperature to suit your needs.  Please contact us if you have special requirements.  Use ASTM D8022 for systems where water may be present and use AAR-942 for railroad applications.

 

         

 

Price: $218.00

Sample size: 100 g

Related tests:

Petro-Lubricant Testing Laboratories, Inc.
116 Sunset Inn Road, Lafayette, NJ 07848, USA
Phone: +1 973-579-3448

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