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.

1.1 This test method covers the determination of the water absorption of slate.

1.2 This standard does not purport to address the safety problems associated with its use. It is the responsibility of the user of this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.