ASTM D8385
Standard Test Method for Dry Filterability of Lubricants and Hydraulic Fluids by Mass Flow Technique
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About This Item
ASTM D8385 is the ASTM standard focused on dry filterability of lubricants and hydraulic fluids by mass flow technique. It provides a technical basis for evaluating how these fluids behave when passed through filtration under dry conditions, helping users assess whether a product is suitable for systems where clean flow and filter performance matter. For laboratories, manufacturers, and fluid specifiers, this standard supports more consistent testing and clearer product comparison.
Overview of ASTM D8385
The Standard Test Method for Dry Filterability of Lubricants and Hydraulic Fluids by Mass Flow Technique addresses a specific performance characteristic: how readily a lubricant or hydraulic fluid can pass through a filter when measured by mass flow. ASTM D8385 is designed to support standardized testing so results can be compared more reliably across products and laboratories. As a technical document, it is especially useful where filtration behavior is part of product qualification, acceptance testing, or formulation evaluation.
Common use cases of ASTM D8385
This standard is commonly used when evaluating lubricants and hydraulic fluids for filtration-related performance during development, quality control, or incoming material review. It may be applied by test laboratories, fluid formulators, and equipment suppliers that need a consistent method for assessing dry filterability. ASTM D8385 is also relevant in procurement and specification workflows where filtration behavior can affect product suitability, operating reliability, and maintenance planning.
Benefits of using ASTM D8385
Using ASTM D8385 helps bring consistency to how dry filterability is measured, which can improve confidence in test results and product comparisons. It supports better quality control by giving organizations a common reference for evaluating lubricants and hydraulic fluids against defined testing practice. The standard may also help reduce risk in selection and approval processes by making filtration-related performance easier to assess, document, and communicate across teams and suppliers.
- Dry filterability evaluation by mass flow
- Lubricant and hydraulic fluid testing
- Consistent laboratory comparison
- Quality control and product review
- Specification and procurement support
- Publication Date: 2022-08-23
- Publisher: ASTM
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