ASTM D 4402

ASTM D 4402 - Add appropriate volume of sample to sample...

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Asphalt Viscosity at High Temperatures with a Rotational Viscometer ASTM D-4402 Tim Boyer CM 442 Pre-Lab Purpose The purpose of this test is to provide a standardized method for determining the apparent viscosity of asphalt from 100F to 500F using a rotational viscometer and a temperature-controlled thermal chamber Equipment Rotational Viscometer Apparatus-measuring geometry Temperature-Controlled Thermal Chamber Heater Sample Chambers Temperature Controller Balance Calibration Device Procedure Set temperature controller to desired test temperature Select an apparatus-measuring geometry Preheat sample chamber and apparatus-measuring geometry
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Unformatted text preview: Add appropriate volume of sample to sample chamber Insert the apparatus-measuring geometry into the liquid in the chamber; couple to viscometer Bring the asphalt to desired temperature Start motor rotation of the viscometer Measure torque or viscosity at 1 min intervals for 3 min Repeat for different test temperatures Post-Lab Test Conditions The test conditions for this procedure were normal. Results Averag e Reading 265 Comments The procedure was followed as written and everything proceeded normally....
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ASTM D 4402 - Add appropriate volume of sample to sample...

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