ASTM C121/C121M-15
(Test Method)Standard Test Method for Water Absorption of Slate
Standard Test Method for Water Absorption of Slate
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.
1.3 This standard does not purport to address the safety concerns, if any, 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.
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Designation: C121/C121M − 15
Standard Test Method for
1
Water Absorption of Slate
This standard is issued under the fixed designation C121/C121M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
It is often desirable to gain some idea of the porosity of a material in question. Actual
determinations of the pore space require the use of rather elaborate and refined equipment as well as
considerable precision in carrying out the tests. For comparative purposes the absorption test affords
a simple and sufficiently accurate means of obtaining the desired information.As applied to slate this
test requires somewhat more care and precision than many other materials because of its dense nature
and, consequently, the small quantities to be dealt with. Furthermore, the cleavage of slate—that
property which permits it to be split into thin sheets of uniform thickness—must be taken into
consideration when this test is made. On this account misleading results are often obtained on cubical
specimens due to accidental cleavage cracks in the specimens. The shapes of specimens and larger
number of specimens recommended in the following procedure are intended to eliminate to a large
extent the inconsistent results which may be obtained on this material.
1. Scope 3. Terminology
1.1 This test method covers the determination of the water 3.1 Definitions—All definitions are in accordance with Ter-
absorption of slate. minology C119.
1.2 Units—The values stated in either SI units or inch-
4. Significance and Use
pound units are to be regarded separately as standard. The
4.1 Thistestmethodisusefulinindicatingthedifferencesin
values stated in each system may not be exact equivalents;
water absorption of slates. This test method also provides one
therefore, each system shall be used independently of the other.
element in the comparison of slates.
Combining values from the two systems may result in non-
conformance with the standard.
5. Test Specimens
1.3 This standard does not purport to address the safety
5.1 The test specimens shall consist of square or rectangular
concerns, if any, associated with its use. It is the responsibility
3 5
slabs from ⁄16 to ⁄16 in. [5 to 8 mm] in thickness and not less
of the user of this standard to consult and establish appropriate
than 4 in. [100 mm] on any side.
safety and health practices and determine the applicability of
regulatory limitations prior to use.
5.2 Not less than six specimens shall be prepared from each
sample of slate, the sample being considered as any number of
2. Referenced Documents
pieces selected to represent a definite part or grade of the
2
2.1 ASTM Standards:
deposit.
C119 Terminology Relating to Dimension Stone
C1799 Guide to Dimension Stone Test Specimen Sampling 6. Sampling
and Preparation
6.1 Select the sample to represent a true average of the type
or grade of stone under consideration and of the quality
1
This test method is under the jurisdiction of ASTM Committee C18 on
supplied to the market under the type designation to be tested.
Dimension Stone and is the direct responsibility of Subcommittee C18.01 on Test
The sample may be selected by the purchaser or his authorized
Methods.
representativefromthequarriedstoneortakenfromthenatural
Current edition approved Oct. 15, 2015. Published November 2015. Originally
ledge and shall be of adequate size to permit the preparation of
approved in 1925 as C121–25T. Last previous edition approved in 2009 as
ε1
C121–09 . DOI: 10.1520/C0121_C0121M-15.
the desired number of test specimens. When perceptible
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
variations occur, the purchaser may select as many samples as
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
are necessary for determining the variations in water absorp-
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. tion of slate.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C121/C121M − 15
NOTE 1—Refer to Guide C1799 for additional information on selecting,
8. In such cases, the 48 h immersion period may be supplanted
preparing, and conditioning test specimens.
by an 8 h boiling period (Note 3). In this alternative method the
operationsshallbethesameasdescribedinSection8uptothat
7. Preparation of Specimens
of immersion. Instead of allowing the specimens to soak for 48
7.1 Split the slate to the required thickness and saw to size.
h
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
´1
Designation: C121/C121M − 09 C121/C121M − 15
Standard Test Method for
1
Water Absorption of Slate
This standard is issued under the fixed designation C121/C121M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1
ε NOTE—In 8.3, the first SI value in brackets was corrected from 0 to 20 editorially in May 2011.
INTRODUCTION
It is often desirable to gain some idea of the porosity of a material in question. Actual
determinations of the pore space require the use of rather elaborate and refined equipment as well as
considerable precision in carrying out the tests. For comparative purposes the absorption test affords
a simple and sufficiently accurate means of obtaining the desired information. As applied to slate this
test requires somewhat more care and precision than many other materials because of its dense nature
and, consequently, the small quantities to be dealt with. Furthermore, the cleavage of slate—that
property which permits it to be split into thin sheets of uniform thickness—must be taken into
consideration when this test is made. On this account misleading results are often obtained on cubical
specimens due to accidental cleavage cracks in the specimens. The shapes of specimens and larger
number of specimens recommended in the following procedure are intended to eliminate to a large
extent the inconsistent results which may be obtained on this material.
1. 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.
1.3 This standard does not purport to address the safety concerns, if any, 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.
2. Referenced Documents
2
2.1 ASTM Standards:
C119 Terminology Relating to Dimension Stone
C1799 Guide to Dimension Stone Test Specimen Sampling and Preparation
3. Terminology
3.1 Definitions—All definitions are in accordance with Terminology C119.
4. 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.
5. Test Specimens
3 5
5.1 The test specimens shall consist of square or rectangular slabs from ⁄16 to ⁄16 in. [5 to 8 mm] in thickness and not less than
4 in. [100 mm] on any side.
1
This test method is under the jurisdiction of ASTM Committee C18 on Dimension Stone and is the direct responsibility of Subcommittee C18.01 on Test Methods.
Current edition approved April 1, 2009Oct. 15, 2015. Published April 2009November 2015. Originally approved in 1925 as C121–25T. Last previous edition approved
ε1
in 20062009 as C121–06.–09 . DOI: 10.1520/C0121_C0121M-09E01.10.1520/C0121_C0121M-15.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C121/C121M − 15
5.2 Not less than six specimens shall be prepared from each sample of slate, the sample being considered as any number of
pieces selected to represent a definite part or grade of the deposit.
6. Sampling
6.1 Select the sample to represent a true average of the type or grade of stone under consideration and of the quality supplied
to the market under the type designation to be tested. The sample may be selected by the purchaser or his authorized representative
from the quarried stone or taken from the natural ledge and shall be of adequate size to permit the preparation of the desired number
of test specimens. When perceptible variations occur, the purchaser may select as many samples as are necessary for determining
the variations in water abso
...
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