ASTM E736-00(2011)
(Test Method)Standard Test Method for Cohesion/Adhesion of Sprayed Fire-Resistive Materials Applied to Structural Members
Standard Test Method for Cohesion/Adhesion of Sprayed Fire-Resistive Materials Applied to Structural Members
SIGNIFICANCE AND USE
The intent of this test method is to determine a property of SFRM that may be used to provide an indication of its in-place serviceability. Satisfactory performance of SFRM applied to structural members and assemblies depends upon its ability to withstand the various influences that may occur during construction and during the life of the structure, as well as upon its satisfactory performance under fire conditions.
SCOPE
1.1 This test method covers a procedure for measuring the cohesion/adhesion or bond strength (tensile) perpendicular to the surface of sprayed fire-resistive material (SFRM) applied to rigid backing. These fire-resistive materials include sprayed fibrous and cementitious materials. The test method is applicable to both laboratory and field procedures as indicated in Section 7.
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.
1.3 This standard does not purport to address all of the safety problems, 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.
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Designation: E736 − 00 (Reapproved2011)
Standard Test Method for
Cohesion/Adhesion of Sprayed Fire-Resistive Materials
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Applied to Structural Members
This standard is issued under the fixed designation E736; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope SFRM with a suitable adhesive. An increasing load, measured
by a scale, is applied manually until failure occurs.
1.1 This test method covers a procedure for measuring the
cohesion/adhesion or bond strength (tensile) perpendicular to
4. Significance and Use
thesurfaceofsprayedfire-resistivematerial(SFRM)appliedto
rigid backing. These fire-resistive materials include sprayed
4.1 The intent of this test method is to determine a property
fibrous and cementitious materials. The test method is appli-
of SFRM that may be used to provide an indication of its
cable to both laboratory and field procedures as indicated in
in-place serviceability. Satisfactory performance of SFRM
Section 7.
applied to structural members and assemblies depends upon its
ability to withstand the various influences that may occur
1.2 The values stated in SI units are to be regarded as
during construction and during the life of the structure, as well
standard. The values given in parentheses are mathematical
as upon its satisfactory performance under fire conditions.
conversions to inch-pound units that are provided for informa-
tion only and are not considered standard.
5. Apparatus
1.3 This standard does not purport to address all of the
5.1 Fig. 1 illustrates a suitable apparatus.
safety problems, if any, associated with its use. It is the
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responsibility of the user of this standard to establish appro-
5.2 Bottle Screw Cap, metal or rigid plastic 51 mm to
priate safety and health practices and determine the applica-
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83 mm (2 in. to 3 ⁄4 in.) in diameter and 12 mm ( ⁄2 in.) in
bility of regulatory limitations prior to use.
nominal depth. A hook shall be attached at the center. Where
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deck profile does not allow the use of an 83-mm (3 ⁄4-in.)
2. Referenced Documents
diameter cap due to area restriction, a minimum 51-mm (2-in.)
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2.1 ASTM Standards:
diameter cap shall be used.
E84 Test Method for Surface Burning Characteristics of
5.3 Adhesive, single or two component, suitable for adher-
Building Materials
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ing cap to SFRM.
E119 Test Methods for Fire Tests of Building Construction
and Materials 5.4 Weighing Scale, spring type (fish hook), with a capacity
E605 Test Methods for Thickness and Density of Sprayed
suitable for the SFRM being tested (typically 12 kg to 30 kg
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Fire-Resistive Material (SFRM) Applied to Structural (26 to 66 lb) capacity). The accuracy shall be within 0.1 kg ( ⁄4
Members
lb).
5.5 Galvanized Steel Sheet, 1.5 mm (0.060 in. (16 ga))
3. Summary of Test Method
thick, 300 mm (12 in.) square, cleaned with solvent to remove
3.1 The cohesion/adhesion is determined using a metal or
any oil from surface to be sprayed.
plastic cap with a hook attached. The cap is attached to the
5.6 Drying Oven, capable of maintaining temperature and
humidity conditions during the specimen curing cycle, in
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This test method is under the jurisdiction of ASTM Committee E06 on
accordance with the SFRM manufacturers’ published require-
Performance of Buildings and is the direct responsibility of Subcommittee E06.21
ments.
on Serviceability.
Current edition approved April 1, 2011. Published May 2011. Originally
approved in 1980. Last previous edition approved in 2006 as E736 – 00 (2006).
DOI: 10.1520/E0736-00R11.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or Refer to Appendix X1.2 for a list of bottle screw cap supply houses that have
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM been found satisfactory for this purpose. Many local suppliers are also available.
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Standards volume information, refer to the standard’s Document Summary page on Suitable adhesives are commercially available. Refer to Appendix X1.1 for a
the ASTM website. list of adhesive supply houses that have been found satisfactory for this purpose.
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E736 − 00 (2011)
7.2.3 Mechanical ventilation may be employed on the
manufacturers’ recommendation to expedite drying.
8. Procedure
8.1 Apply adhesive sufficient to fill the metal or plastic cap,
and immediately place the cap against the surface of the
SFRM.
...
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