ASTM D2170 PDF
Designation: D – 95 Designation: /84 (89) Standard Test Method for Kinematic Viscosity of Asphalts (Bitumens)1 This standard is issued under the. ASTM D Related Standards: ASTM C, D92, D, D, D, D, D, E1, E77; Related IP Standard: / ASTM D, EN , ASTM D, IP , EN , AASHTOT Rev 2. Content of Presentation. ✓ What is Bitumen. ✓ Viscosity of Bitumen.
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The TV has a cover with three openings and lids.
Combining values from the two systems may result in non-conformance with the standard. D — 95 Designation: Moreover, the results explained that the compatibility between PMMA and asphalt binder astk improved upon further aging especially with low molecular weight polymer PMMA.
Rinse the ice with distilled water and shave or crush into small pieces, avoiding direct contact with the hands or any chemically unclean objects. Please contact our sales team sales tamson. C2 5 the calibration constant in the testing laboratory, C 1 5 the calibration constant in the calibrating laboratory, 5 the acceleration of gravity at the testing laboratory, g2 and 5 atsm acceleration of gravity at the calibrating laborag1 tory.
Add to Cart Add to Cart. This coefficient is a measure asttm the resistance to flow of a liquid. Two such determinations are needed from which to calculate a kinematic viscosity result that is the average of two acceptable determined values.
Kinematic Viscosity ASTM D
Unlike the modified Ostwald and suspended-level d217, the sample of liquid flows into a timing bulb not previously wet by sample, thus allowing the timing of liquids whose thin films are opaque.
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. The kinematic viscosity is then calculated by multiplying the efflux time in seconds by the 1 This test method is under the jurisdiction of ASTM Committee D-4 on Road and Paving Materials and is the direct responsibility of Subcommittee D Wipe excess sample off tube N and invert the viscometer to its normal position.
Shipment astmm be made as specified or by best means. Dry the viscometer by passing a slow stream of filtered, dry air through the viscometer for 2 min, or until the last trace of solvent is removed. The bath is fitted with a double window of which the front pane is detachable for cleaning purposes.
It is a measure of the resistance to flow of a liquid under gravity. Add more liquid if necessary to bring the upper meniscus slightly above mark G. It is recommended that the interval of checking be every six months; for a new thermometer, check monthly xstm the first six months.
By controlling the time of reaction, two different molecular weights were obtained: When thermometers are completely submerged, corrections for each individual astj based on calibration under conditions of complete submergence must be determined and applied. It is commonly called the viscosity of the liquid.
The method is used to determine the consistency of bitumen as one element in establishing the uniformity of shipments or sources of supply. Caution should be taken when handling mercury and mercury containing products. Why d270 you use a Tamson Viscosity bath to measure the kinematic viscosity of asphalts bitumens? The achieved improvement was found to be dependent on polymer molecular weight.
Kinematic Viscosity ASTM D2170
If the thermometer is completely submerged in the bath during use, the pressure of the gas in the expansion chamber will be higher or lower than during standardization, and may cause high or low readings on the thermometer. See Annex A1 for the method of calculation. Summary of Test Method 4.
Historical Version s – view previous versions of standard.
ASTM D Standard
After allowing the sample to attain bath temperature see A2. Sstm error can be as much as one or two thermometer divisions. Preparation of Sample 7. Significance and Use 5. Results showed that the inclusion of PMMA polymer in asphalt binder has significantly improved its properties.
The kinematic viscosity characterizes flow behavior. For the LantzZeitfuchs viscometer, apply slight vacuum to tube M or pressure to tube N with tube K closed until the lower meniscus is opposite the lower timing mark E; allow the sample to flow by gravity.
Thus, the accurate determination of viscosity is essential to many product specifications. Show 9 15 Mercury, or its vapor, may be hazardous to health and corrosive to materials.
The TV has a cover with seven openings and lids. If this efflux time is less than 2d170 s, select a viscometer of smaller capillary diameter and repeat the operation. The aging properties of polymer modified asphalts were examined using thin film oven test TFOT.
Remove the excess sample above filling mark G by inserting the special pipet until its cork rests on top of tube N; apply gentle suction until air is drawn d22170. Discard any cloudy or unsound portions. Introduce sample through tube N taking care not to wet the sides of tube N, into the cross-arm D until the leading edge stands within 0.