ASTM D6371
Standard Test Method for Cold Filter Plugging Point of Diesel and Heating Fuels
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About This Item
ASTM D6371 is the ASTM standard for the Standard Test Method for Cold Filter Plugging Point of Diesel and Heating Fuels. It describes a test used to evaluate how diesel and heating fuels behave at low temperatures, particularly when fuel flow may be restricted by wax formation or filtering issues. This makes the standard important for product qualification, seasonal performance checks, and quality control where cold-weather operability matters.
Purpose of ASTM D6371
The purpose of ASTM D6371 is to provide a consistent test method for determining the cold filter plugging point of diesel and heating fuels. In practical terms, it helps users assess the lowest temperature at which a fuel may still pass through a filter under the specified test conditions. That information is useful when comparing fuel performance, setting acceptance criteria, and supporting technical decisions for fuels intended for cold environments or temperature-sensitive distribution and storage.
Common use cases of ASTM D6371
This standard is commonly used in fuel testing laboratories, refinery quality control programs, and product acceptance workflows for diesel and heating fuels. It is often applied when evaluating fuel suitability for colder climates, checking batch consistency, or confirming compliance with purchasing requirements. ASTM D6371 may also support specification review, shipment inspection, and routine monitoring of fuel behavior where filterability at low temperature is a key concern.
Why ASTM D6371 matters
ASTM D6371 matters because cold filter plugging performance can affect how reliably diesel and heating fuels move through filters and fuel systems. A clear, repeatable test method helps reduce uncertainty in procurement, compliance, and product evaluation. It also supports better quality control by giving buyers and suppliers a common basis for comparing results. For organizations handling fuel in cooler conditions, this standard can help manage operational risk and maintain performance expectations.
- Cold filter plugging point evaluation
- Diesel fuel and heating fuel testing
- Low-temperature fuel performance checks
- Quality control and batch comparison
- Procurement and compliance support
- Publication Date: 2024-08-20
- Publisher: ASTM
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