ASTM C121 – Standard Test Method for Water Absorption of Slate
Description:
Significance and Use
4.1 This test method is useful in indicating the differences in water absorption of slates. This test method also provides one element in the comparison of slates.
Scope
1.1 This test method covers the determination of the water absorption of slate.
1.2 Units—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.