Samples are immersed in water for at least 48 hours.
The specimen is placed in boiling water for 5 hours. It is then allowed to cool naturally for at least 14 hours to astm c642 pdf
Using the values obtained (), the following properties are calculated: Absorption after Immersion (%): Absorption after Boiling (%): Bulk Density, Dry ( ): ρwrho sub w is the density of water) Volume of Permeable Voids (%): 5. Limitations and Interpretation iTeh Standardshttps://standards.iteh.ai Samples are immersed in water for at least 48 hours
To maintain water at boiling temperature for several hours. astm c642 pdf
To measure the apparent mass of the sample while submerged. 3. Test Procedure Steps