ASTM D2453-15(2020)e1

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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Designation: D2453 − 15 (Reapproved 2020)
Standard Test Method for
Shrinkage and Tenacity of Oil- and Resin-Base Caulking
Compounds
This standard is issued under the fixed designation D2453; 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.
ε NOTE—In 5.1, a misspelling was corrected editorially in May 2020.
1. Scope compound, cure, joint, standard conditions.
1.1 This test method describes a laboratory procedure for
4. Summary of Test Method
determining the shrinkage of oil- and resin-base (Note) caulk-
ing compounds, as well as the evaluation of the tenacity
4.1 A ⁄4-in. layer of caulking compound is aged 120 h at 65
property of such compounds. This test method is applicable to
6 2°C (149 6 3.6°F) and its shrinkage is determined by
both gun (Type I) and knife (Type II) grades.
comparing its initial volume to the volume after the aging
period.
NOTE 1—This is not a suitable test method for water-base products.
4.2 After the shrinkage has been determined, this same
1.2 The values stated in SI units are to be regarded as the
specimen is also used to test tenacity by folding the aged
standard. The values given in parentheses are for information
material 180° six times.
only.
1.3 The subcommittee with jurisdiction is not aware of any
5. Significance
similar ISO standard.
5.1 Shrinkage is a measure of the nonvolatile solids of an
1.4 This standard does not purport to address all of the
oil- or resin-base compound. A compound that exhibits exces-
safety concerns, if any, associated with its use. It is the
sive shrinkage may have a tendency to crack or shrink from the
responsibility of the user of this standard to establish appro-
sides of a joint when in service.
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
5.2 Tenacity is the measure of the flexibility of an oil- or
1.5 This international standard was developed in accor-
resin-base caulking compound. Oil- or resin-base caulking
dance with internationally recognized principles on standard-
compounds that cure excessively hard and do not remain
ization established in the Decision on Principles for the
flexible may fail prematurely because of the inability to absorb
Development of International Standards, Guides and Recom-
movement.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
6. Apparatus and Materials
6.1 Cabinet or Room, capable of maintaining standard
2. Referenced Documents
conditions for extended periods of time.
2.1 ASTM Standards:
C717 Terminology of Building Seals and Sealants
6.2 Oven (convection-type), controlled at 65 6 2°C (149 6
3.6°F).
3. Terminology
6.3 Oven (convection- or blower-type), controlled at 104 6
3.1 Definitions—Definitions of the following terms are
2°C (220 6 3.6°F).
found in Terminology C717: caulking, caulking compound,
6.4 Titrating Buret, 50-mL capacity, marked in 0.1 mL.
This method is under the jurisdiction of ASTM Committee C24 on Building
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6.5 Brass Ring, metal, 0.8 to 3.2 mm ( ⁄32 to ⁄8 in.) thick;
Seals and Sealants and is the direct responsibility of Subcommittee C24.20 on
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inside diameter, 66.7 mm (2 ⁄8 in.); and 12.7 mm ( ⁄2 in.) wide,
General Test Methods.
Current edition approved May 1, 2020. Published June 2020. Originally with ends of the ring ground flat.
approved in 1966. Last previous edition approved in 2015 as D2453 – 15. DOI:
6.6 Cover Plates, ground glass, two, 76 to 89 mm (3 to
10.1520/D2453-15R20E01.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 3 ⁄2 in.) in diameter.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
6.7 Limestone Block, standard 89 mm (3 ⁄2 in.) square by 16
Standards volume information, refer to the standard’s Document Summary page on
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the ASTM website. to 19 mm ( ⁄8 to ⁄4 in.) thick.
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D2453 − 15 (2020)
6.8 Steel Spatula or Putty Knife about 102 mm (4 in.) long room temperature, repeat the filling of the ring using the buret
and about 19 mm ( ⁄4 in.) wide. and record the volume of water used as V .
f
6.9 Leveling Tool for spreading compound (Fig. 1).
10. Calculation
6.10 Knife, thin-pointed blade.
10.1 Calculate the shrinkage, in volume percent, as follows:
6.11 Putty Knife, steel, stiff, about 102 mm (4 in.) long and
Shrinkage,% 5 V 2 V / V 2 V 3100 (1)
@~ ! ~ !#
f i r i
about 51 mm (2 in.) wide at the end.
where:
6.12 Distilled Water.
V = volume of ring, mL,
r
V = volume of water required to fill ring afte
...