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- ASTM D61 Standard Test Method for Softening Point of Pitches (Cube-in-Water Meth ASTM D61 Standard Test Method for Softening Point of Pitches (Cube-in-Water Method)6. Apparatus6.1 Mold - A mold suitable for forming two 1/2 in. (12.7 mm) cubes of pitch, having cylindrical core pins 12 gauge (2.05 mm) in diameter located in the base plate of the assembly to produce accurately centered ...
- ASTM D61 Standard Test Method for Softening Point of Pitches (Cube-in-Water Meth ASTM D61 Standard Test Method for Softening Point of Pitches (Cube-in-Water Method)4. Summary of Test Method4.1 Two cubes of pitch, supported on wire hooks, are heated at a controlled rate in water in a glass container. The softening point is defined as the mean of the temperatures at which the cubes ...
- ASTM D61 Standard Test Method for Softening Point of Pitches (Cube-in-Water Meth ASTM D61 Standard Test Method for Softening Point of Pitches (Cube-in-Water Method)1. Scope1.1 This test method covers the determination of the softening point of pitches below 176 °F (80 °C). Pitches of higher softening point should be tested by Test Method D2319 or Test Method D3104.1.2 The values ...
- ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids9. Report9.1 Report the initial and irradiated 40°C viscosity of the hydraulic fluid.10. Precision and Bias10.1 Repeatability - The difference between two independent results obtained by the same operator with the same apparatus ...
- ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids8. Procedure8.1 Clean the sonic horn using a lintless wiper and optional solvent and calibrate the apparatus as described in 7.3. Introduce 30 mL of the hydraulic fluid sample to be tested into a clean 50-mL Griffin beaker and ...
- ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids7. Calibration of Apparatus7.1 The reference fluid provides a practical way to define the performance (severity level) of a sonic oscillator unit so that satisfactory comparison can be made between tests run on different days ...
- ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids5. Apparatus5.1 Sonic Shear Unit, fixed frequency oscillator and sonic horn.5.2 Auxiliary Equipment - To facilitate uniform performance, the following auxiliary equipment is recommended:5.2.1 Cooling Bath or Ice Bath, to maintain ...
- ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids3. Summary of Test Method3.1 A convenient volume of hydraulic fluid is irradiated in a sonic oscillator for a period of time and the change in viscosity is determined by Test Method D445. A standard reference fluid containing ...
- ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids ASTM D5621 Standard Test Method for Sonic Shear Stability of Hydraulic Fluids1. Scope1.1 This test method covers the evaluation of the shear stability of hydraulic fluids in terms of the final viscosity that results from irradiating a sample of the hydraulic fluid in a sonic oscillator.1.2 Evidence has ...
- ASTM D7109 Standard Test Method for Shear Stability of Polymer Containing Fluids ASTM D7109 Standard Test Method for Shear Stability of Polymer Containing Fluids Using a European Diesel Injector Apparatus at 30 and 90 Cycles13. Report13.1 Report the following information:13.1.1 The calibration pressure, in MPa,13.1.2 Kinematic viscosity of the unsheared oil at 100°C,13.1.3 Kinematic ...