Fuel and Lubricant Testing

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ASTM D7501 - Determination of Fuel Filter Blocking Potential of Biodiesel (B100) Blend Stock by Cold Soak Filtration Test (CSFT)

 

We perform the cold soak filtration test (CSFT) by ASTM D7501 to measure whether a biodiesel blend stock is suitable for low temperature performance. Some substances that are soluble in biodiesel at room temperature will congeal when cooled to temperatures above the cloud point or when standing at room temperature for extended periods. These substances can cause filter plugging. This test provides an accelerated means of assessing the presence of these substances in biodiesel, as wells as measuring their propensity to plug filters.

Cold Soak by ASTM D7501 determines whether a biodiesel blend stock that meets all other ASTM D6751 specifications is suitable for low temperature performance to at least the cloud point of the finished blend. This is determined by measuring the sample's filtration time after cold soak.

Contact us today to receive a quote for your biodiesel testing.

Sample quantity required: 500 ml

For additional information on this test method or to purchase a copy of the method, please click HERE to open a new window and visit the ASTM website.