ASTM D6203-06 Test for Thermal Stability of Way Lubricants
ASTM D6203-06 is used to determine the thermal stability of hydrocarbon-based way lubricants. The values stated in SI units are to be regarded as standard.
Scope:
Thermal stability is the ability of a fluid to resist breaking down under heat stress. Thermal stability is important for an oil’s lubricating performance. ASTM D6203-06 test method evaluates the thermal stability of a way lubricant in the presence of copper and steel rods at 100°C. Rods are visually examined. Deposits and rod colors are observed to determine the thermal stability of the sample.
Test Procedure:
In ASTM D6203-06 test method a beaker containing test oil and copper and steel rods are placed in a gravity convection electric oven for 24 h at 100°C. After the test, the copper and steel rods are visually rated for discoloration, and the beaker is visually evaluated for deposits.
Data:
The following information is reported:
- Color of the copper and steel rods using the numerical designations on the chart are reported.
- Any etching.
- Whether any deposits were found on the rods or beaker.
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