ASTM D4625
Standard Test Method for Middle Distillate Fuel Storage Stability at 43 °C (110 °F)
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About This Item
ASTM D4625 is the standard test method for evaluating middle distillate fuel storage stability at 43 °C (110 °F). It is used to help assess how a fuel may behave during storage under controlled elevated-temperature conditions, where stability concerns can affect product quality and usability. By providing a consistent test approach, this ASTM standard supports more reliable fuel evaluation, quality control, and compliance decisions for stored middle distillate fuels.
ASTM D4625 standard overview
The ASTM D4625 standard defines a test method focused on the storage stability of middle distillate fuel at a specified temperature of 43 °C (110 °F). Its technical purpose is to provide a repeatable way to compare how fuels respond to storage conditions that may influence degradation or deposit formation. For laboratories, suppliers, and purchasers, ASTM D4625 offers a common reference for evaluating stability-related performance in a controlled and consistent manner.
Where is ASTM D4625 used?
This standard is commonly used in fuel testing and quality assurance settings where middle distillate fuels are stored, handled, or evaluated before use. It is relevant to laboratory testing programs, product acceptance checks, and technical review of fuel stability during storage. ASTM D4625 may also support procurement specifications and internal quality control procedures when a defined method is needed to assess storage-related performance at the stated test temperature.
Practical importance of ASTM D4625
ASTM D4625 matters because storage stability can influence whether a middle distillate fuel remains suitable over time. Using a recognized test method helps reduce uncertainty in product evaluation and supports more consistent results across testing programs. It can also aid compliance efforts, supplier comparisons, and risk reduction by giving stakeholders a standard basis for reviewing fuel behavior under controlled storage conditions. For organizations managing fuel quality, that consistency is especially valuable.
- Middle distillate fuel storage stability
- Controlled testing at 43 °C (110 °F)
- Quality control and product evaluation
- Consistent laboratory comparison
- Fuel storage performance assessment
- Publication Date: 2021-11-02
- Publisher: ASTM
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