ASTM C1403-06

Standard Test Method for Rate of Water Absorption of Masonry Mortars

SIGNIFICANCE AND USE
This test method provides a laboratory procedure for determining the relative water absorption properties over time of mortars used for masonry construction. Because the specimens are made under laboratory conditions and do not take into account the effect of the masonry substrate or field mixing procedures, this method is not intended for field use. Data generated from this test method may be useful for determining the relative effectiveness of water repellent admixtures or the effect of other admixtures or mortar components on the water repellency of a mortar. However, use caution in interpreting the results. While the resistance of masonry to water penetration may be related to the water absorption of the mortar, it also depends on other factors, such as the workmanship, extent of bond, and the properties of the masonry units and mortar.
SCOPE
1.1 This test method covers a standardized laboratory procedure for determining the relative water absorption by capillary uptake (wicking) characteristics of masonry mortars. This test method is not applicable for determining the effectiveness of water repellent coatings.
1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 14-Dec-2006
• ICS: 91.100.10 - Cement. Gypsum. Lime. Mortar
• Technical Committee: C12 - Mortars and Grouts for Unit Masonry
• Drafting Committee: C12.02 - Research and Methods of Test

Relations

• Replaces: ASTM C1403-05 - Standard Test Method for Rate of Water Absorption of Masonry Mortars
• Effective Date: 15-Dec-2006
• Replaced By: ASTM C1403-12 - Standard Test Method for Rate of Water Absorption of Masonry Mortars
• Effective Date: 15-Dec-2012
• Referred By: ASTM C1714/C1714M-23 - Standard Specification for Preblended Dry Mortar Mix for Unit Masonry
• Effective Date: 15-Dec-2006
• Referred By: ASTM C1384-18e1 - Standard Specification for Admixtures for Masonry Mortars
• Effective Date: 15-Dec-2006
• Referred By: ASTM C1180-22 - Standard Terminology of Mortar and Grout for Unit Masonry
• Effective Date: 15-Dec-2006
• Referred By: ASTM C1713-23 - Standard Specification for Mortars for the Repair of Historic Masonry
• Effective Date: 15-Dec-2006

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C1403 − 06
StandardTest Method for
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Rate of Water Absorption of Masonry Mortars
This standard is issued under the fixed designation C1403; 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. Scope* 4. Significance and Use
1.1 This test method covers a standardized laboratory pro-
4.1 This test method provides a laboratory procedure for
cedure for determining the relative water absorption by capil-
determining the relative water absorption properties over time
lary uptake (wicking) characteristics of masonry mortars. This
of mortars used for masonry construction. Because the speci-
test method is not applicable for determining the effectiveness
mensaremadeunderlaboratoryconditionsanddonottakeinto
of water repellent coatings.
account the effect of the masonry substrate or field mixing
procedures, this method is not intended for field use. Data
1.2 The values stated in SI units are to be regarded as the
generated from this test method may be useful for determining
standard. The inch-pound units given in parentheses are for
the relative effectiveness of water repellent admixtures or the
information only.
effect of other admixtures or mortar components on the water
1.3 This standard does not purport to address all of the
repellencyofamortar.However,usecautionininterpretingthe
safety concerns, if any, associated with its use. It is the
results. While the resistance of masonry to water penetration
responsibility of the user of this standard to establish appro-
may be related to the water absorption of the mortar, it also
priate safety and health practices and determine the applica-
depends on other factors, such as the workmanship, extent of
bility of regulatory limitations prior to use.
bond, and the properties of the masonry units and mortar.
2. Referenced Documents
5. Apparatus
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2.1 ASTM Standards:
5.1 Balance—A balance sensitive to 0.1 g.
C109/C109M Test Method for Compressive Strength of
Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube
5.2 Uptake Container—A watertight container with a mini-
Specimens)
mum cross sectional area that is at least 50 % greater than the
C270 Specification for Mortar for Unit Masonry
total area of the specimens’ test surface(s) and a minimum
C305 Practice for Mechanical Mixing of Hydraulic Cement
depth of 75 mm (3 in.). Provide a cover for the container to
Pastes and Mortars of Plastic Consistency
minimize evaporation.
C511 Specification for Mixing Rooms, Moist Cabinets,
5.2.1 Usespecimensupportsthatallowaminimumof3mm
Moist Rooms, and Water Storage Tanks Used in the
(0.12 in.) clearance from the bottom of the container and that
Testing of Hydraulic Cements and Concretes
cover a maximum of 10 % of the area of the specimen’s test
C778 Specification for Sand
surface. Use supports made of a material that does not float in
C1180 Terminology of Mortar and Grout for Unit Masonry
water and that does not rust, expand, or contract as a result of
C1437 Test Method for Flow of Hydraulic Cement Mortar
water exposure.
5.2.2 The container shall be flat so that when a specimen is
3. Terminology
set on the supports the water level as specified in 7.4 shall not
3.1 Definitions—For definitions of terms used in this test
vary by more than 1 mm (0.04 in.) from one end of the
method, refer to Terminology C1180.
specimen to the opposite end.
5.3 Specimen Molds—Metal 50-mm or 2-in. cube specimen
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This test method is under the jurisdiction ofASTM Committee C12 on Mortars
moldswithremovableplasticwatertightdisposableliners.The
and Grouts for Unit Masonryand is the direct responsibility of Subcommittee
plastic liners shall be rigid enough to retain their shape when
C12.02 on Research and Methods of Test.
free standing and filled with mortar.
Current edition approved Dec. 15, 2006. Published January 2007. Originally
approved in 1999. Last previous edition approved in 2005 as C1403 – 05. DOI:
5.4 Spoon—Ametal spoon approximately 230 mm (9 in.) in
10.1520/C1403-06.
2 lengthandwithabowlapproximately100mm(4in.)inlength.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
5.5 Straightedge—Asteelstraightedgenotlessthan150mm
Standards volume information, refer to the standard’s Document Summary page on
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the ASTM website. (6 in.) long and approximately 1.5-3.0 mm ( ⁄16 to ⁄8 in.) thick.
*A Summary of Changes section appears at the end of this standard
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