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Significance and Use
Asphalts change in volume with change in temperature. They are loaded or transferred at widely varying temperatures. Volume correction factors are used to adjust bulk volumes measured at those temperatures to corresponding volumes at a base temperature of 15°C or [60°F] for the purposes of custody transfer and accounting operations.
Correction factors as provided in this practice have proven to be sufficiently accurate for the intended purposes.
Coefficients of expansion used for development of data in this practice are as follows:
1.1 This practice provides tables of volume correction factors which may be used to convert volumes of asphalt measured at different temperatures to a volume at a standard base temperature. These tables are applicable to all types of asphalts except emulsified asphalts.
1.2 This practice provides tables to convert asphalt volumes to 15°C [60°F] from volumes measured at any temperature from −25 to +275°C [0 to 500°F].
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D70 Test Method for Density of Semi-Solid Bituminous Materials (Pycnometer Method)
D1250 Guide for Use of the Petroleum Measurement Tables
D3142 Test Method for Specific Gravity, API Gravity, or Density of Cutback Asphalts by Hydrometer Method
D3289 Test Method for Density of Semi-Solid and Solid Bituminous Materials (Nickel Crucible Method)
ICS Number Code 91.100.50 (Binders. Sealing materials); 93.080.20 (Road construction materials)
UNSPSC Code 30121601(Asphalt)