ASTM D6139
Standard Test Method for Determining the Aerobic Aquatic Biodegradation of Lubricants or Their Components Using the Gledhill Shake Flask
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About This Item
ASTM D6139 is the standard test method for determining the aerobic aquatic biodegradation of lubricants or their components using the Gledhill Shake Flask. It provides a controlled way to evaluate how these materials behave in an oxygen-rich aquatic environment, helping users compare biodegradation performance with a recognized ASTM standard. For lubricant developers, formulators, and quality teams, the method supports more consistent testing and more informed product assessment.
What is ASTM D6139?
ASTM D6139 defines a laboratory test method focused on aerobic aquatic biodegradation using the Gledhill Shake Flask procedure. In practical terms, it is used to measure how lubricants or individual lubricant components may break down under aerobic conditions in water-based environments. The standard is relevant when a product-page buyer needs a technical document for environmental performance testing, method consistency, or comparison of materials using a recognized ASTM standard.
Where is ASTM D6139 used?
This standard is commonly used in laboratory testing programs for lubricants, base stocks, additives, and related components where aerobic aquatic biodegradation needs to be assessed. It is especially relevant for product development, environmental screening, and compliance-oriented evaluation workflows. ASTM D6139 may also be used by testing labs and technical teams that need a repeatable method for comparing results across different lubricant formulations or supply sources.
Why is ASTM D6139 important?
ASTM D6139 matters because it supports a consistent and recognized approach to biodegradation testing, which can help reduce uncertainty in product evaluation. For organizations that assess environmental behavior, the method can aid procurement decisions, quality control, and documentation of performance claims. Using a formal ASTM standard also helps align testing practices across labs and product lines, improving comparability and reducing the risk of inconsistent interpretation.
- Aerobic aquatic biodegradation testing
- Gledhill Shake Flask method
- Lubricants and lubricant components
- Laboratory comparison and evaluation
- Consistent ASTM-based test method
- Publication Date: 2022-04-07
- Publisher: ASTM
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