Home > Classroom

  • ASTM D6201 Dynamometer Evaluation of Unleaded Spark-Ignition Engine Fuel ASTM D6201 Dynamometer Evaluation of Unleaded Spark-Ignition Engine FuelASTM D6201 Standard Test Method for Dynamometer Evaluation of Unleaded Spark-Ignition Engine Fuel for Intake Valve Deposit Formation6. ApparatusNOTE 1 - Photographs are provided in Annex A1 depicting the required apparatus and suggesting ...
  • ASTM D6201 Dynamometer Evaluation of Unleaded Spark-Ignition Engine Fuel ASTM D6201 Dynamometer Evaluation of Unleaded Spark-Ignition Engine FuelASTM D6201 Standard Test Method for Dynamometer Evaluation of Unleaded Spark-Ignition Engine Fuel for Intake Valve Deposit Formation4. Summary of Test Method4.1 This test method utilizes a 1994 Ford 2.3 L in-line, four cylinder, ...
  • ASTM D6201 Dynamometer Evaluation of Unleaded Spark-Ignition Engine Fuel ASTM D6201 Dynamometer Evaluation of Unleaded Spark-Ignition Engine FuelASTM D6201 Standard Test Method for Dynamometer Evaluation of Unleaded Spark-Ignition Engine Fuel for Intake Valve Deposit Formation1. Scope1.1 This test method coves an engine dynamometer test procedure for evaluation of intake ...
  • ASTM D6022 Standard Practice for Calculation of Permanent Shear Stability Index ASTM D6022 Standard Practice for Calculation of Permanent Shear Stability Index7. Report7.1 If the degree of thickening is less than 1.2, report PSSI cannot be determined by this practice.7.2 If the degree of thickening is greater than or equal to 1.2, report the calculated PSSI to the nearest whole ...
  • ASTM D6022 Standard Practice for Calculation of Permanent Shear Stability Index ASTM D6022 Standard Practice for Calculation of Permanent Shear Stability Index6. Procedure6.1 Calculate the degree of thickening:DT = V0/Vbwhere:V0 5 viscosity of the unsheared oil, andVb 5 viscosity of the base fluid.6.1.1 Viscosities shall be measured using the same test method at the same conditions ...
  • ASTM D6022 Standard Practice for Calculation of Permanent Shear Stability Index ASTM D6022 Standard Practice for Calculation of Permanent Shear Stability Index4. Summary of Practice4.1 An index is calculated representing the change, due to shearing, in an additive's contribution to a lubricant's viscosity. A low index represents high resistance to permanent change.4.2 Oils can be ...
  • ASTM D6022 Standard Practice for Calculation of Permanent Shear Stability Index ASTM D6022 Standard Practice for Calculation of Permanent Shear Stability Index1. Scope1.1 This practice specifies the procedure for the calculation of Permanent Shear Stability Index (PSSI) of an additive using viscosities before and after a shearing procedure.1.2 PSSI is calculated for a single blend ...
  • ASTM D873 Oxidation Stability of Aviation Fuels (Potential Residue Method) ASTM D873 Oxidation Stability of Aviation Fuels (Potential Residue Method)11. Report11.1 Calculate the results obtained by combining the separately determined residues as prescribed in Table 2 and report as "X" hour aging characteristics, Test Method D873 as x mg/100 mL or < 1mg/100 mL.12. Precision ...
  • ASTM D873 Oxidation Stability of Aviation Fuels (Potential Residue Method) ASTM D873 Oxidation Stability of Aviation Fuels (Potential Residue Method)10. Procedure10.1 Bring the pressure vessel and the fuel to be tested to a temperature from 15 to 25°C. Place the weighed glass sample container in the pressure vessel and add 100 +/- 1 mL of test specimen. Alternatively, transfer ...
  • ASTM D873 Oxidation Stability of Aviation Fuels (Potential Residue Method) ASTM D873 Oxidation Stability of Aviation Fuels (Potential Residue Method)9. Preparation of Apparatus9.1 Thoroughly clean a glass sample container to remove traces of any adhering material. Immerse the container and its cover in a mildly alkaline or neutral pH laboratory detergent cleaning solution. ...