Home > Classroom

  • ASTM D937 standard test method for cone penetration of petroleum ASTM D937 standard test method for cone penetration of petroleum4. Summary of Test Method4.1 The sample is melted, heated to 82°C (180°F), and then cooled under controlled conditions to 25°C (77°F). The penetration is measured with the cone and the sample at this temperature using a penetrometer ...
  • ASTM D937 standard test method for cone penetration of petroleum ASTM D937 standard test method for cone penetration of petroleum1. Scope1.1 This test method covers measuring with a penetrometer the penetration of petrolatum as an empirical measure of consistency.1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for ...
  • ASTM D892 standard test method for foaming characteristics of lubricating oils ASTM D892 standard test method for foaming characteristics of lubricating oils12. Report12.1 Report the data in the following manner:12.2 For the purpose of reporting results, when the bubble layer fails to completely cover the oil surface and a patch or eye of clear fluid is visible, the value shall ...
  • ASTM D892 standard test method for foaming characteristics of lubricating oils ASTM D892 standard test method for foaming characteristics of lubricating oils10. Procedure10.1 Sequence I - Without mechanical shaking or stirring, decant approximately 200 mL of sample into a beaker. Heat to 49 more or less 3°C (120 more or less 5°F) and allow to cool to 24 more or less 3°C (75 ...
  • ASTM D892 standard test method for foaming characteristics of lubricating oils ASTM D892 standard test method for foaming characteristics of lubricating oils9. Preparation of Apparatus9.1 Thorough cleansing of the test cylinder and air-inlet tube is essential after each use to remove any additive remaining from previous tests which can seriously interfere with results of subsequent ...
  • ASTM D892 standard test method for foaming characteristics of lubricating oils ASTM D892 standard test method for foaming characteristics of lubricating oils6. Apparatus6.1 Foaming Test Apparatus, an example of a suitable set-up is shown in Fig. 1, consisting of a 1000-mL graduated cylinder or cylinders held in position when placed in the baths, such as fitted with a heavy ring ...
  • ASTM D892 standard test method for foaming characteristics of lubricating oils ASTM D892 standard test method for foaming characteristics of lubricating oils4. Summary of Test Method4.1 The sample, maintained at a temperature of 24°C (75°F) is blown with air at a constant rate for 5 min, then allowed to settle for 10 min. The volume of foam is measured at the end of both periods. ...
  • ASTM D892 standard test method for foaming characteristics of lubricating oils ASTM D892 standard test method for foaming characteristics of lubricating oils1. Scope1.1 This test method covers the determination of the foaming characteristics of lubricating oils at 24°C and 93.5°C. Means of empirically rating the foaming tendency and the stability of the foam are described.1.2 ...
  • ASTM D6749 for pour point of petroleum products (Automatic air pressure method) ASTM D6749 for pour point of petroleum products (Automatic air pressure method)13. Precision and Bias13.1 Precision - The precision of this test method as determined by statistical examination of interlaboratory test results is as follows:13.1.1 Pour Point at 3°C Testing Intervals (Test Method D6749):13.1.1.1 ...
  • ASTM D6749 for pour point of petroleum products (Automatic air pressure method) ASTM D6749 for pour point of petroleum products (Automatic air pressure method)11. Procedure11.1 Pour the sample specimen into the test jar to the scribed mark. When necessary, heat the sample in a bath or oven until it is just sufficiently fluid to pour into the test jar. Samples with an expected pour ...