Astm C642 Pdf Access

To maintain water at boiling temperature for several hours.

The volume is determined by the difference between the mass in air and the mass in water. $$V = B - C$$ (Where $V$ is in the same units as mass, assuming density of water $\approx 1$ g/cm³). astm c642 pdf

To measure the apparent mass of the sample while submerged. 3. Test Procedure Steps To maintain water at boiling temperature for several hours

$$\textVoids (%) = \fracB - AB - C \times 100$$ astm c642 pdf

ASTM C642-21 (the most recent version) outlines procedures to determine the mass-to-volume relationships within concrete. It is widely used for: