ASTM D – Designation: D – 10 Standard Test Method for Viscosity by Ford Viscosity. ASTM D Standard Test Method for Viscosity by Ford Viscosity Cup. mm (˝) Orifice diameter; 25 – cSt Viscosity range; 40 – sec. Flow times. Viscometer Flow Cup, ASTM D, Ford No 3 · Viscometer Flow Cup.
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ASTM D 2.
ASTM D | Hanatek Instruments
A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the Department of Defense.
If the material is non-Newtonian, that is, shear-thinning or thixotropic, Test Method D should be used. The values given in parentheses are for information only. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the asrm of regulatory limitations prior to use.
If the ratio of shear stress to shear rate is not constant, the liquid is nonNewtonian. Summary of Test Method 4. NOTE 1—If the ori? Current edition approved July 1, Originally approved in sstm Last previous edition approved in as D — 94 In addition, temperature measuring devices such as non-mercury liquid-in-glass thermometers, thermocouples, or platinum resistance thermometers that asttm equivalent or better accuracy and precision, that cover the temperature range for thermometer 17C and 17F, may be used.
Allow to stand undisturbed for 10 min while adjusting further to the desired temperature. Make the viscosity determination at the end of the min period.
Determinations should be made at a temperature above the dew point of the atmosphere surrounding the apparatus. Fill the cup with the prepared specimen. The preferred method is to over?
Pull the stopper away and simultaneously start the timing device. Measure the time until the?
Care of Cup Under no conditions should metal cleaning tools be brought into contact with the instrument. Particular care must be exercised in cleaning the ori?
Temperature of Testing 8. Temperature drift during the test should be kept to a minimum and should not exceed NOTE 2— It is impossible to predict the effect of temperature change on each material with which the apparatus may be used.
The frequency of this calibration check depends upon the amount of use and the care that the individual cup receives. Precision and Bias D12000 Procedure for Ford Cups X1. A small change in diameter of the ori? Bring this cup and the liquid viscosity standard to a constant temperature as close as possible to Determine the time of efflux to the nearest 0. Keep the temperature drift to within Box 16, State College, Pa. Asttm particular oils applicable for use with the Ford Cups refer to Table X1.
Oils available from other sources, having known kinematic viscosities, may also be used.
A percent correction can be applied to the seconds? Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
ASTM D – 10() Standard Test Method for Viscosity by Ford Viscosity Cup
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