This standard specifies the method for expressing and reporting the cleanliness or particle contamination level of aerospace fluid system components. This standard also specifies a code system that allows cleanliness data to be represented in abbreviated or complete form when expressing particulate contamination level measurements or specifying cleanliness requirements.
GB/T 39095-2020 Referenced Document
ISO 18413 Hydraulic fluid power - Cleanliness of components - Inspection document and principles related to contaminant extraction and analysis, and data reporting
GB/T 39095-2020 history
2020GB/T 39095-2020 Aerospace—Hydraulic fluid components—Expression of particulate contamintion levels