ASTM D2453-99

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 2453 – 99
Standard Test Method for
Shrinkage and Tenacity of Oil- and Resin-Base Caulking
Compounds
This standard is issued under the fixed designation D 2453; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope oil- or resin-base compound. A compound that exhibits exces-
sive shrinkage may have a tendency to crack or shink from the
1.1 This test method describes a laboratory procedure for
sides of a joint when in service.
determining the shrinkage of oil- and resin-base (Note) caulk-
5.2 Tenacity is the measure of the flexibility of an oil- or
ing compounds, as well as the evaluation of the tenacity
resin-base caulking compound. Oil- or resin-base caulking
property of such compounds. This test method is applicable to
compounds that cure excessively hard and do not remain
both gun (Type I) and knife (Type II) grades.
flexible may fail prematurely because of the inability to absorb
NOTE 1—This is not a suitable test method for water-base products.
movement.
1.2 The values stated in SI units are to be regarded as the
6. Apparatus and Materials
standard. The values given in parentheses are for information
6.1 Cabinet or Room, capable of maintaining a temperature
only.
1.3 This standard does not purport to address all of the of 23 6 2°C (73.4 6 3.6°F) at 50 6 5 % relative humidity for
extended periods of time.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- 6.2 Oven (convection-type), controlled at 65 6 2°C (149 6
3.6°F).
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. 6.3 Oven (convection- or blower-type), controlled at 104 6
2°C (220 6 3.6°F).
2. Referenced Documents
6.4 Titrating Buret, 50-mL capacity, marked in 0.1 mL.
1 1
2.1 ASTM Standards: 6.5 Brass Ring, metal, 0.8 to 3.2 mm ( ⁄32 to ⁄8 in.) thick;
5 1
C 717 Terminology of Building Seals and Sealants inside diameter, 66.7 mm (2 ⁄8 in.); and 12.7 mm ( ⁄2 in.) wide,
with ends of the ring ground flat.
3. Terminology
6.6 Cover Plates, ground glass, two, 76 to 89 mm (3 to
3.1 Definitions—Definitions of the following terms are
3 ⁄2in.) in diameter.
found in Terminology C 717: caulking, caulking compound, 6.7 Limestone Block, standard 89 mm (3 ⁄2in.) square by 16
5 3
compound, cure, joint.
to 19 mm ( ⁄8 to ⁄4 in.) thick.
6.8 Steel Spatula or Putty Knife about 102 mm (4 in.) long
4. Summary of Test Method
and about 19 mm ( ⁄4 in.) wide.
4.1 A ⁄4-in. layer of caulking compound is aged 120 h at 65
6.9 Leveling Tool for spreading compound (Fig. 1).
6 2°C (149 6 3.6°F) and its shrinkage is determined by
6.10 Knife, thin-pointed blade.
comparing its initial volume to the volume after the aging
6.11 Putty Knife, steel, stiff, about 102 mm (4 in.) long and
period.
about 51 mm (2 in.) wide at the end.
4.2 After the shrinkage has been determined, this same
6.12 Distilled Water.
specimen is also used to test tenacity by folding the aged
7. Sampling
material 180° six times.
7.1 The compound to be tested shall be taken from a
5. Significance
previously unopened container. Remove the compound from
5.1 Shrinkage is a measure of the nonvolatile solids of an
the container and work with a putty knife to a homogeneous
consistency on a nonporous surface.
This method is under the jurisdiction of ASTM Committee C24 on Building
8. Conditioning
Seals and Sealants, and is the direct responsibility of Subcommittee C24.20 on
General Sealent Standards.
8.1 Condition limestone blocks in an oven at 104 6 2°C
Current edition approved Feb. 10, 1999. Published April 1999. Originally
(220 6 3.6°F) for 24 h and then cool to room temperature.
published as D 2453 – 66 T. Last previous edition D 2453 – 94.
8.2 Condition the unopened cartridge or can of caulking
Annual book of ASTM Standards, Vol 04.07.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
D2453–99
FIG. 1 Tool for Leveling Caulking Compound in the Shrinkage Test Specimen
compound for at least5hat23 6 2°C (73.4 6 3.6°F). Shrinkage, % 5 @~V 2 V !/~V 2 V !# 3 100 (1)
f i r i
9. Procedure for Shrinkage Determination
where:
V = volume of ring, mL,
9.1 Place the brass ring on one of the g
...