By Steven | 12 July 2022 | 20 Comments

Common standards for Technical Cleanliness Analysis of auto parts

The testing standards for auto parts vary. Currently, the most cleanliness standards used in the automotive industry are VDA19.1 and ISO16232


VDA19.1 is the cleanliness standard launched by the German Automobile Industry Federation, which elaborates the cleaning method and particle size analysis method of auto parts in detail, and points out the direction for the cleanliness detection of the automobile industry.


ISO16232 is an international cleanliness standard, divided into 10 parts.

Part 1: Vocabulary

Part 2: Methods for extracting contaminants with mechanical stirring

Part 3: Methods of high-pressure water extraction of contaminants

Part 4: Methods for the extraction of contaminants by ultrasonic technology

Part 5 Methods for Extraction of Contaminants by Multifunctional Test Bench

Part 6: Gravimetric determination of particle mass

Part 7: Determination of particle size and count by microscopic analysis

Part 8: Determination of particle nature by microscopic analysis

Part 9: Determination of particle size and counts with automated extinction particle counters

Part 10: Presentation of results


Some car companies also have their own customized industry standards:

Such as: GMW15324,

Volvo VCS5091.159,

Volkswagen PV3347,


ESLX68-7W092-AA for Ford

GB-T-20082 of hydraulic transmission, ISO-4406/4407

TST N 002 02.20 002 for the spring industry

TV-02023-EN Version 1 for Automotive Electronics Industry

QC T 664-2000 for Automotive Air Conditioning Industry

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