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GB/T 12709-1991Lubricating oils. Determination of aging characteristics. Conradson carbon residus method (English PDF)

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Issued by

State Bureau of Technical Supervision

Level / Type

National · Recommended

Issue date

January 28, 1991

Implementation date

December 1, 1991

Scope

GB/T 12709-1991 (Lubricating oils. Determination of aging characteristics. Conradson carbon residus method) is available as an English-translated PDF.

GB/T 12709-1991 — This standard specifies the method for determination of petroleum-based lubricants aging characteristics.

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Document preview — GB/T 12709-1991

National Standard of the People's Republic of China

ICS: 75.1
Classification: E 30

Issued by: State Bureau of Technical Supervision

What this standard covers1
Document data2

What this standard covers

This standard specifies the method for determination of petroleum-based lubricants aging characteristics. This standard applies to evaporation loss does not exceed 15% (m/m) in the determination process, the petroleum-based lubricants with or without additives, but also to have antioxidant additives and gray clean dispersant types of lubricants.

Document data

International classification (ICS): 75.1.

Chinese classification (CCS): E30.

Estimated length of the Chinese original: 6,631 words.

Adopted international standard: DIN 51352-1985, MOD.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.

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