ASTM C910-16(2021)

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.
Designation: C910 − 16 (Reapproved 2021)
Standard Test Method for
Bond and Cohesion of One-Part Elastomeric Solvent
Release-Type Sealants
This standard is issued under the fixed designation C910; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope E145 Specification for Gravity-Convection and Forced-
Ventilation Ovens
1.1 This test method determines the bond and cohesion of
one-part, elastomeric, solvent release-type sealants after high-
3. Terminology
and low-temperature aging.
3.1 Definitions—Refer to Terminology C717 for definitions
1.2 The subcommittee with jurisdiction is not aware of any
of the following terms used in this test method: elastomer,
similar ISO standard.
elastomeric, sealant, standard conditions, solvent-release seal-
1.3 This standard does not purport to address all of the
ant.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
4. Apparatus
priate safety, health, and environmental practices and deter-
4.1 Extension Machine,asshowninFig.1,sodesignedthat
mine the applicability of regulatory limitations prior to use.
the test specimen can be automatically extended at a constant
NOTE 1—Currently there is no ISO standard similar to this test method.
1 1
rate of 3.18 mm ( ⁄8 in.)/h from a joint width of 12.7 mm ( ⁄2
1.4 This international standard was developed in accor-
in.) to 14.29 mm ( ⁄16 in.) at −23 6 3 °C (−10 6 5 °F).
dance with internationally recognized principles on standard-
4.2 Oven, forced-draft type, having temperature controlled
ization established in the Decision on Principles for the
at 70 6 2 °C (158 6 3.6 °F). See Specification E145.
Development of International Standards, Guides and Recom-
4.3 Oven,convectiontype,havingtemperaturecontrolledat
mendations issued by the World Trade Organization Technical
50 6 1 °C (122 6 2 °F).
Barriers to Trade (TBT) Committee.
4.4 Freezer Chest or Cold Box, having temperature con-
2. Referenced Documents
trolled at −23 6 3 °C (−10 6 5 °F).
2.1 ASTM Standards:
4.5 Mortar Blocks, six, prepared as described in Test Meth-
C717Terminology of Building Seals and Sealants
ods D1191, except that the blocks shall be approximately 25.4
D1191Test Method for Concrete Joint Sealers (Withdrawn
mm (1 in.) wide by 76.2 mm (3 in.) long by 25.4 mm (1 in.)
1996)
thick and surfaced by wet grinding on an iron lap with No. 60
silicon carbide or aluminum oxide grain.
4.6 Plates, six, of water-white polished float or plate glass
ThistestmethodisunderthejurisdictionofASTMCommitteeC24onBuilding
Seals and Sealants and is the direct responsibility of Subcommittee C24.30 on
approximately25.4mm(1in.)wideby76.2mm(3in.)longby
Adhesion.
6.35 mm ( ⁄4 in.) thick.
Current edition approved May 1, 2021. Published May 2021. Originally
approved in 1979. Last previous edition approved in 2016 as C910–16. DOI:
4.7 Aluminum Alloy Plates, six, 6063-T5 or 6061-T6 clear
10.1520/C0910-16R21.
anodized a minimum of 20 min over a scale-free finish,
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
approximately25.4mm(1in.)wideby76.2mm(3in.)longby
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 6.35 mm ( ⁄4 in.) thick.
the ASTM website.
3 4.8 Polyethylene Spacer Bars,nine,approximately12.7mm
The last approved version of this historical standard is referenced on
1 1
www.astm.org. ( ⁄2in.) by 12.7 mm ( ⁄2 in.) by 50.8 mm (2 in.), 18 bars 12.7
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C910 − 16 (2021)
NOTE 1—Three-dimensional view of compression-extension machine with automatic control units shows four specimens ready for compression-
extension cycling.
FIG. 1 Compression-Extension Machine
1 1
mm( ⁄2in.)by12.7mm( ⁄2in.)by25.4mm(1in.)and18bars 7.2 Precondition the unopened containers of sealant at
9 1
14.29 mm ( ⁄16in.) by 6.35 mm ( ⁄4in.) by 25.4 mm (1 in.). standard conditions for a minimum of 24 h.
7.3 Prepare three test specimens for each substrate to be
5. Reagents
tested, as follows: Using the polyethylene spacer bars to
5.1 Acetone or Methyl Ethyl Ketone Solvents.
control the joint dimensions, form a bead of sealant 12.7 mm
4,5 1 1
( ⁄2in.)wideby12.7mm( ⁄2in.)thickby50.8mm(2in.)long
5.2 D
...