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ASTM C1016-02

(Test Method)

Standard Test Method for Determination of Water Absorption of Sealant Backing (Joint Filler) Material

Standard Test Method for Determination of Water Absorption of Sealant Backing (Joint Filler) Material

SIGNIFICANCE AND USE
This test method determines the amount of water absorbed by a backing material. Water absorption by the backing may affect sealant performance.
This test method is also useful when designating proper storage of back up material and in determining appropriate precautions when using backing materials.
The specifier, using this test method, can exercise judgment in the selection of backing materials based on water absorption characteristics.
SCOPE
1.1 This test method covers a laboratory procedure for determining the water absorption characteristics of sealant backing and joint filler materials, hereinafter referred to as backing.
1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units in parentheses are for information only.
1.3 The committee with jurisdiction over this standard is not aware of any comparable standards published by other ASTM committees or other organizations.
1.4 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
09-Jan-2002
ICS
91.100.50 - Binders. Sealing materials
Technical Committee
C24 - Building Seals and Sealants
Drafting Committee
C24.20 - General Test Methods
Current Stage
Ref Project

Relations

Replaces
ASTM C1016-94a - Standard Test Method for Determination of Water Absorption of Sealant Backing (Joint Filler) Material
Effective Date
10-Jan-2002
Replaced By
ASTM C1016-02(2008) - Standard Test Method for Determination of Water Absorption of Sealant Backing<br> (Joint Filler) Material
Effective Date
01-May-2008
Referred By
ASTM D5249-10(2021) - Standard Specification for Backer Material for Use with Cold- and Hot-Applied Joint Sealants in Portland Cement Concrete and Asphalt Joints
Effective Date
10-Jan-2002
Referred By
ASTM C1330-23 - Standard Specification for Cylindrical Sealant Backing for Use with Cold Liquid-Applied Sealants
Effective Date
10-Jan-2002
Referred By
ASTM C1281-16(2023) - Standard Specification for Preformed Tape Sealants for Glazing Applications
Effective Date
10-Jan-2002

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ASTM C1016-02 - Standard Test Method for Determination of Water Absorption of Sealant Backing (Joint Filler) MaterialASTM C1016-02 - Standard Test Method for Determination of Water Absorption of Sealant Backing (Joint Filler) Material
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ASTM C1016-02 - Standard Test Method for Determination of Water Absorption of Sealant Backing (Joint Filler) Material
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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:C1016–02
Standard Test Method for
Determination of Water Absorption of Sealant Backing
1
(Joint Filler) Material
This standard is issued under the fixed designation C 1016; 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 the water and their mass measured. The change in mass is
calculated, and the result is expressed as a change in mass per
1.1 This test method covers a laboratory procedure for
unit of volume.
determining the water absorption characteristics of sealant
4.2 Procedure A measures the maximum amount of water
backing and joint filler materials, hereinafter referred to as
that can enter the backing. Procedure B measures the amount
backing.
of water that can enter the backing with the backing cut ends
1.2 The values stated in SI units are to be regarded as the
sealed.
standard. The inch-pound units in parentheses are for informa-
tion only.
5. Significance and Use
1.3 Thecommitteewithjurisdictionoverthisstandardisnot
5.1 This test method determines the amount of water ab-
aware of any comparable standards published by other ASTM
sorbed by a backing material. Water absorption by the backing
committees or other organizations.
may affect sealant performance.
1.4 This standard does not purport to address all of the
5.2 This test method is also useful when designating proper
safety concerns, if any, associated with its use. It is the
storage of back up material and in determining appropriate
responsibility of the user of this standard to establish appro-
precautions when using backing materials.
priate safety and health practices and determine the applica-
5.3 The specifier, using this test method, can exercise
bility of regulatory limitations prior to use.
judgment in the selection of backing materials based on water
2. Referenced Documents absorption characteristics.
2.1 ASTM Standards:
6. Apparatus
2
C 717 Terminology of Building Seals and Sealants
6.1 Balance, sensitive to 0.1 g (0.004 oz).
E 691 Practice for Conducting an Interlaboratory Study to
1
3 6.2 Rule, steel, graduated to 1.0 mm (; ⁄16 in.).
Determine the Precision of a Test Method
6.3 Shallow Pan for Water, at least 50 mm (2 in.) deep and
3. Terminology 350 mm (14 in.) long.
4
6.4 Paraffın Wax.
3.1 Definitions—Refer to Terminology C 717 for the fol-
lowing terms used in this test method: joint filler, sealant, and
7. Sampling
sealant backing.
7.1 Take samples from manufactured product. The number
4. Summary of Test Method of samples for each lot shall be agreed upon between the
purchaser and the seller. A sample shall consist of three test
4.1 The mass of three measured specimens of backing is
specimens.
determined. The specimens are then placed in room tempera-
7.2 Sample selection is important, therefore, the sample
turewaterfor24hafterwhichthespecimensareremovedfrom
should be representative of typical backing production. Care
should be exercised in choosing samples that have not been
damaged by inappropriate storage or handling.
1
This test method is under jurisdiction of ASTM Committee C24 on Building 7.3 Samples should be of uniform shape for their length to
Seals and Sealants and is the direct responsibility of Subcommittee C24.20 on
enable accurate calculation of volume.
General Test Methods.
Current edition approved Jan. 10, 2002. Published March 2002. Originally
published as C 1016 – 84. Last previous edition C 1016 – 94a.
2 4
Annual Book of ASTM Standards, Vol 04.07. Paraffin wax, manufactured by Thomas Scientific, 99 High Hills Rd., Swedes-
3
Annual Book of ASTM Standards, Vol 14.02. boro, NJ 08085, or equal, has been found suitable for this purpose.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C1016–02
8. Test Specimens 10.2.6 After immersion for 24 h, remove the specimen by
picking it up 3 in. (75 mm) from the ends and place it
8.1 A test specimen is a piece of backing 300 65mm(12
immediatelyontheweighingplatform.Donotpressorsqueeze
6 0.25 in.) in length. Ideally the cross-sectional backing area
2 2
the specimen. Within the next 1 min, record the mass of the
should be from 2 to 3 cm (0.3 to 0.5 in. ). Cut three test
specimen to the nearest 0.1 g (0.004 oz).
specimens from each sample.
10.2.6.1 The weighing platform should be large enough to
9. Conditioning
support the entire specimen and serve as a tray to catch any
9.1 Condition the test specimens at 23 6 2°C (73 6 3°F) water that may leave the specimen during mass determination.
and 50 6 5 % relative humidity for a minimu
...

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5.1 It is known that solar radiation contributes to the degradation of sealants in exterior building joints. The use of a laboratory accelerated weathering machine with actinic radiation, moisture and heat appears to be a feasible means to give indications of early degradation by the appearance of sealant cracking. However, simulated weather factors in combination with extension may produce more severe degradation than weather factors only. Therefore, the effect of the weathering test is made more sensitive by the addition of the bending of the specimen at cold temperature.
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5.1 Preformed tape sealants are tacky, deformable solids that are used under compression between two substrates in a variety of sealing applications. This procedure is not intended to simulate an actual use condition, but it will give some indication of the flexibility and adhesion of a tape at low temperature. It can serve to differentiate between flexible tapes that can take some movement and those that tend to harden or embrittle on aging and crack or lose adhesion when flexed at low temperature. It will also aid in identifying sealants that have poor flexibility because they are overextended and contain a low level of binder as well as those sealants having binders that will embrittle at low temperature.
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