Standard Test Method for Insolubles in Used Lubricating Oils


Importancia y uso:

5.1 Pentane insolubles can include oil-insoluble materials and some oil-insoluble resinous matter originating from oil or additive degradation, or both.

5.2 Toluene insoluble materials can come from (1) external contamination, (2) fuel carbon and highly carbonized materials from degradation of fuel, oil, and additives, or (3) engine wear and corrosion materials.

5.3 A significant change in pentane insolubles, toluene insolubles (with or without coagulant), and insoluble resins indicates a change in oil which could lead to lubrication system problems.

5.4 Insolubles measured can also assist in evaluating the performance characteristics of a used oil or in determining the cause of equipment failure.

Subcomité:

D02.06

Referida por:

D7665-22, D6224-23, D5704-25, D7317-24, D5372-25, D7155-20, D7155-20, D7155-20

Volúmen:

05.01

Número ICS:

75.100 (Lubricants, industrial oils and related products)

Palabras clave:

insoluble resins; insolubles; lubricating oil; pentane insolubles; toluene insolubles; used;

$ 1,248

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Norma
D893

Versión
25

Estatus
Active

Clasificación
Test Method

Fecha aprobación
2025-10-01